and Magnetic-core polymer-shell nanocomposites with tunable magneto-optical and/or optical properties By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT Methods are disclosed for synthesizing nanocomposite materials including ferromagnetic nanoparticles with polymer shells formed by controlled surface polymerization. The polymer shells prevent the nanoparticles from forming agglomerates and preserve the size dispersion of the nanoparticles. The nanocomposite particles can be further networked in suitable polymer hosts to tune mechanical, optical, and thermal properties of the final composite polymer system. An exemplary method includes forming a polymer shell on a nanoparticle surface by adding molecules of at least one monomer and optionally of at least one tethering agent to the nanoparticles, and then exposing to electromagnetic radiation at a wavelength selected to induce bonding between the nanoparticle and the molecules, to form a polymer shell bonded to the particle and optionally to a polymer host matrix. The nanocomposite materials can be used in various magneto-optic applications. Full Article
and Encapsulant composition and method for fabricating encapsulant material By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT An encapsulant composition is provided, including at least one resin monomer, a filler and a photoinitiator, wherein the at least one resin monomer is selected from the group consisting of acrylic resin monomer, epoxy resin monomer, silicone resin monomer and compositions thereof, and the filler is of about 0.1˜15 weight % of the encapsulant composition. A method for forming encapsulant materials is also provided. Full Article
and Adhesive bonding composition and method of use By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A polymerizable composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and a phosphor capable of producing light when exposed to radiation (typically X-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source. An associated method includes: placing a polymerizable adhesive composition, including a photoinitiator and energy converting material, such as a down-converting phosphor, in contact with at least two components to be bonded to form an assembly; and, irradiating the assembly with radiation at a first wavelength, capable of conversion (down-conversion by the phosphor) to a second wavelength capable of activating the photoinitiator, to prepare items such as inkjet cartridges, wafer-to-wafer assemblies, semiconductors, integrated circuits, and the like. Full Article
and Frame sealant, process for preparing same and use thereof By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT Embodiments of the invention provide a frame sealant and a process for preparing the same, as well as use thereof. The frame sealant comprises, by weight, 25%-30% acrylic resins, 25%-30% oligomers as shown in Structure Formula I, 10%-15% organic powders, 10%-15% inorganic powders, 0%-10% epoxy resins, 10%-15% heat curing agents, 0.1%-1% photoinitiators, and 0.1%-1% coupling agents, wherein, in Structure Formula I, n indicates an integer of 10-20. Full Article
and Curable resin composition, curable resin molded body, cured resin molded body, method for producing each of same, and laminate body By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT The present invention is: a curable resin composition comprising a thermoplastic resin (A), a curable monomer (B), and a photoinitiator (C), the thermoplastic resin (A) including an aromatic ring in its molecule, and having a glass transition temperature (Tg) of 140° C. or more, and the photoinitiator (C) having an absorbance at 380 nm of 0.4 or more when measured in a 0.1 mass % acetonitrile solution; a curable resin formed article obtained by forming the curable resin composition; a cured resin formed article obtained by curing the curable resin formed article; a laminate comprising at least one layer that is formed of a cured resin obtained by curing the curable resin composition. The present invention provides: a cured resin formed article that exhibits excellent heat resistance, includes only a small amount of residual low-boiling-point substance (e.g., solvent and curable monomer), and has small in-plane retardation, a method for producing the same, a curable resin composition and a curable resin formed article that are useful as a raw material for producing the cured resin formed article, and a laminate that includes a layer formed of a cured resin. Full Article
and Nitrile rubbers and production thereof in organic solvents By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A new process is provided for preparing nitrile rubbers by free-radical polymerization in an organic solvent and in the presence of specific modifier substances. This polymerization may be followed by hydrogenation to give likewise new hydrogenated nitrile rubbers, the hydrogenation advantageously taking place likewise in organic solvent. The optionally hydrogenated nitrile rubbers obtained are notable for having fragments of the employed modifier substances in the main polymer chain and/or as end groups. They can be prepared with a wide diversity of molecular weights and polydispersity indices, especially with very low polydispersity indices. Full Article
and Acrylic resin composition, method of manufacturing the same, and architectural material, fashion accessory, and optical material formed using the same By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT The present invention provides an acrylic resin composition containing a polycrystal of colloidal particles of silicon oxide in an acrylic resin that is formed by curing an acrylic monomer liquid at room temperature and/or an acrylic oligomer liquid at room temperature, wherein a mean distance between the colloidal particles in the polycrystal is 140 to 330 nm. The size of the single crystal that constitutes the polycrystal can be controlled by adjusting the content of silicon oxide and/or the additive amount of impurities. An architectural material, a fashion accessory, and an optical material are provided that are formed by using the acrylic resin composition. Full Article
and Powder coating compositions and a method for coating a substrate, such as a thermally sensitive substrate By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT The invention relates to a powder resin with amp from 60 to 110° C., and a particle size from 10 to 250 μm, which comprises the reaction product of a reactive composition comprising: a) an isocyanate component comprising a polyisocyanate with functionality of at least 2, b) an alcoholic component, comprising: b1) at least one polyol with OH functionality from 2 to 4, b2) a monoalcohol component comprising: b2.1) a monoalcohol, bearing an ethylenic unsaturation b2.2) a saturated alcohol selected from the group of fatty alcohols, b2.3) optionally, an additional saturated monoalcohol from non fatty monoalcohols the molar ratios of OH functional groups, of the said alcoholic components b2.2) (possibly b2.3)) and b2.1) being defined so that the OH molar ratio of b2.2)/b2.1) or of [b2.2)+b2.3)]/b2.1) ranges from higher than 0.25 to 2, with the proviso that: the resulting said powder resin does bear at least one urethane unit with branched structure resulting from the reaction of an isocyanate component a) with a polyol component b), with said component a) having an average functionality higher than 2 or otherwise (if not higher than 2) the said component b1) having an average functionality higher than 2, with the resulting resin having no any crosslinked structure and being soluble in an organic solvent. The invention does also relate to a powder coating composition comprising the said resin and the resulting coatings and coated substrates for protective or decorative uses. Full Article
and Crosslinked compositions, method of making them, and articles comprising them By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT The present invention relates to a composition comprising at least one propylene-based polymer comprising less than 0.1 wt. % diene-derived units based on the weight of the propylene-based polymer, an antioxidant, and a co-agent. The composition can be at least partially crosslinked by electron beam irradiation in a dose of less than 200 kGy, and may be further formed into articles including fibers, yarns, films, and nonwovens, among others. The propylene-based polymer of the present invention may be a polymer blend formed by forming a reactor blend from of two or more polymers produced in two or more reactors. Full Article
and Apparatus and method for separating and concentrating fluids containing multiple components By www.freepatentsonline.com Published On :: Tue, 19 Aug 2014 08:00:00 EDT An apparatus that allows for separating and collecting a fraction of a sample. The apparatus, when used with a centrifuge, allows for the creation of at least three fractions in the apparatus. It also provides for a new method of extracting the buffy coat phase from a whole blood sample and mesenchymal stem cells from bone reaming material. A buoy system that may include a first buoy portion and a second buoy member operably interconnected may be used to form at least three fractions from a sample during a substantially single centrifugation process. Therefore, the separation of various fractions may be substantially quick and efficient. Full Article
and Apparatus and method for filtering a material from a liquid medium By www.freepatentsonline.com Published On :: Tue, 26 Aug 2014 08:00:00 EDT An apparatus for filtering a material from a medium includes a first housing having a wall with a plurality of openings formed therein, a conveyor disposed in the housing for moving the material therealong, and a conduit line communicating with the interior of the housing for supplying the medium to the apparatus. At least one of the first housing and the conveyor rotate relative to a central axis to direct the medium toward the wall so as to separate the material from the medium. A method for filtering a material from a medium includes supplying the medium to a first housing, spinning the medium within the housing, passing the medium through a wall of the housing to separate the material from the medium, moving the material along the housing, introducing a fluid into the material within the housing, and washing the material using the fluid. Full Article
and Centrifugal separator and swing rotor for centrifugal separator By www.freepatentsonline.com Published On :: Tue, 02 Sep 2014 08:00:00 EDT A centrifugal separator comprising: a driving portion; and a swing rotor including, a rotor body, a through-hole passing through the rotor body, pin insert grooves which are provided parallel to the through-hole so as to oppose each other and only partially penetrate the rotor body, and a bucket including, a bucket body that has a contact surface which is configured to contact the rotor body during centrifugal separation, and a cap assembly that seals the bucket body and has a swing shaft extending in a direction perpendicular to an longitudinal direction of the bucket, wherein the swing rotor is rotated when the bucket is inserted into the through-hole, to swing the bucket, and the swing shaft can be moved in the longitudinal direction of the bucket relative to the bucket body and rotated about a longitudinal central axis of the bucket. Full Article
and Centrifuge and changeable weir inserts therefor By www.freepatentsonline.com Published On :: Tue, 30 Sep 2014 08:00:00 EDT A centrifuge, including: a flange closing off one axial end of a separation chamber; a plurality of apertures that traverse axially through the flange at a radial distance from a flange axis, wherein at least one aperture is in fluid communication with a first outlet passage; a plurality of weir inserts removably disposed within the plurality of apertures to control a flow of one or more fluids from the separation chamber; wherein at least one weir insert disposed within the at least one aperture in fluid communication with the first outlet passage is changeable to prevent or allow fluid communication between the separation chamber and the first outlet passage. Full Article
and Centrifuge with vacuum pump configured of auxiliary vacuum pump and oil diffusion pump By www.freepatentsonline.com Published On :: Tue, 07 Oct 2014 08:00:00 EDT A centrifuge includes a vacuum pump machine configured of an auxiliary vacuum pump and an oil diffusion pump for exhausting gas inside a rotary chamber to outside, in which a rotor rotates at high speed. In the centrifuge, a thermistor for detecting a temperature of oil and an oil surface inside a boiler of the oil diffusion pump is provided inside the boiler, and power of a heater is adjusted with the temperature detected by the thermistor, so that a degree of vacuum inside the rotary chamber is stably reduced from atmospheric pressure to a high vacuum state. Besides, when the heater does not heat, a current is carried through the thermistor for self-heating, and it is determined from variation in a resistance value whether the oil exists or not at a position at which the thermistor 8 is placed. Full Article
and Cartridge and centrifuge having a cartridge By www.freepatentsonline.com Published On :: Tue, 28 Oct 2014 08:00:00 EDT The invention relates to a cartridge (1) for accommodating blood bags (35), which is provided for the separation of blood components for the application in a centrifuge. The cartridge (1) has a partition wall (3) which separates a blood bag section (5) positioned radially inside from a product section (7) positioned radially outside, and a cover (9) disposed in a mounting position above the blood bag section (5). The cover (9) is connected to the partition wall (3) pivotally in a first point (11) and detachably in a second point (13), so that the blood bag section (5) is freely accessible by means of laterally pivoting the cover (9) out of the way. The cartridge is applicable in the rotor of a centrifuge. Full Article
and Automated system and method for blood components separation and processing By www.freepatentsonline.com Published On :: Tue, 04 Nov 2014 08:00:00 EST A blood processing centrifuge comprising: a rotor having an axis of rotation and being controllably spun around the axis, a mechanism for processing whole blood within the rotor while spinning, a computer controlling blood processing operations, the computer being mounted to the rotor and spinning therewith. Full Article
and Water purification system and method By www.freepatentsonline.com Published On :: Tue, 30 Dec 2014 08:00:00 EST A system for purifying non-potable water to make said water potable includes an intake pump for bringing the non-potable water into the system. At least one centrifugal separator separates the non-potable water into suspended solids, saline water and oil. At least one ozone contact chamber injects ozone into a water stream being injected into at least one of the at least one of the centrifugal separators. A series of progressive filtration components are used for progressively filtering the saline water from the at least one centrifugal separator. The salinization filters then desalinate the progressively filtered saline water. Full Article
and Multiple laminar flow-based particle and cellular identification By www.freepatentsonline.com Published On :: Tue, 13 Jan 2015 08:00:00 EST The present invention provides a method and apparatus to identify at least one component from a plurality of components in a fluid mixture, the apparatus including a first input channel into which a first flow containing a plurality of components is introduced; a plurality of buffer input channels, into which additional flows of buffer solution are introduced, disposed on either side of the first input channel; wherein the first flow and the additional flows have a flow direction along a length of the apparatus; a detector apparatus which detects and identifies selected components of the plurality of components; a laser which emits a laser beam which damages or kills selected components of the plurality of components; and at least one channel disposed at the another end of the apparatus which is adapted to receive the first flow and the additional flows after operation of the laser on the selected components. Full Article
and Device and method for delivering mechanically released cells from liposuction aspirates By www.freepatentsonline.com Published On :: Tue, 20 Jan 2015 08:00:00 EST A lipoaspirate collection device to aid in the collection and processing of human tissue and fluid obtained during liposuction for use in point-of-care cell therapy. The collection device includes a collection body and a collection cap. The collection cap may have a fluid port, a lipoaspirate port, a vacuum port, and a relief valve. Within the central cavity of the collection device, a cone shaped may be positioned such that the apex of the cone is positioned underneath the lipoaspirate inlet through which the lipoaspirate fluid and tissue are introduced. Full Article
and Methods and apparatus for isolating platelets from blood By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST A platelet collection device comprising a centrifugal spin-separator container with a cavity having a longitudinal inner surface. A float in the cavity has a base, a platelet collection surface above the base, an outer surface. The float density is below the density of erythrocytes and above the density of plasma. The platelet collection surface has a position on the float which places it below the level of platelets when the float is suspended in separated blood. During centrifugation, a layer of platelets or buffy coat collects closely adjacent the platelet collection surface. Movement of a float having a density greater than whole blood through the sedimenting erythrocytes releases entrapped platelets, increasing the platelet yield. Full Article
and Sound abating heat sink and motor housing By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST A centrifuge includes a rotor configured to receive sample containers; a drive shaft operatively coupled to the rotor; and a motor. The motor includes a housing; a plurality of substantially parallel fins integral with the housing, each fin having a free end spaced from the housing, wherein the free ends of the plurality of fins are disposed in a common cylindrical plane; and a plurality of substantially parallel grooves, each groove disposed between a pair of adjacent fins and having a groove depth defined by a distance between the common cylindrical plane and the housing. Wherein the plurality of grooves includes a first multitude of grooves having a common groove depth and a second multitude of grooves having a groove depth that is not the same as the common groove depth, wherein the first and second multitude of grooves are interleaved. Full Article
and Method and apparatus for removal of tars or resins from a scrubber liquid using a centrifuge with a discharge chamber scraper By www.freepatentsonline.com Published On :: Tue, 17 Feb 2015 08:00:00 EST The invention is a method of processing tarry or resinous liquids. Tarry liquids include wet scrubber liquids containing tars and chars derived from gasification, pyrolysis or drying of biomass. Resinous liquids include those derived from processing coniferous biomass. Tarry or resinous liquid is processed by a horizontal axis centrifuge having a discharge chamber containing a scraper to prevent centrifuge clogging or fouling. The removed tar and char can be used as solid fuel or recycled to the gasification or pyrolysis process. Polymers, for instance cationic polymers, can be added to the tarry or resin containing liquid prior to centrifugation to assist in solids/liquids separation. Removed resin can be recycled for further use. Tar, char or resin depleted wet scrubber liquid can be recycled for further use or more easily treated prior to disposal. Full Article
and Bladed drum for rotary separator system and method By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST A separator method and apparatus that includes a rotatable drum defining an annular passageway therein, a plurality of blades coupled to the rotatable drum and located in the annular passageway, each of the plurality of blades including a leading section, a trailing section, a concave surface, and a convex surface, the concave and convex surfaces extending from the leading section to the trailing section, each of the plurality of blades disposed circumferentially adjacent to at least another one of the plurality of blades so as to define blade flowpaths therebetween, and a housing at least partially surrounding the rotatable drum and defining a fluid collection chamber fluidly communicating with the annular passageway. Full Article
and Cartridge and centrifuge having a cartridge By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A cartridge (1) for accommodating blood bags (35) to be inserted into a centrifuge is used for the separation of blood components. Said cartridge (1) is provided with a partition wall (3) which separates a blood bag section (5) positioned radially inside from a product section (7) positioned radially outside, wherein a fixture (29) for a filter (31) is provided in the product section (7), a product transport path (36) which leads from the blood bag section (5) via the fixture (29) for the filter (31) to the product section (7). The product transport path (36) coming from the blood bag section (5) leads into the fixture (29) for the filter (31) radially from the outside and from below. Full Article
and Multiple laminar flow-based particle and cellular identification By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT An apparatus and method to identify at least one component from a plurality of components in a fluid mixture, includes a first input channel containing the fluid mixture of components; at least one buffer input channel, into which at least one additional flow of buffer solution is introduced; a plurality of regions disposed at the other end of the apparatus, which are adapted to receive outputs of at least one selected component of the plurality of components, the selected component which is selectively removed from the first flow to one of the regions; a waste channel through which unselected components are removed from the first flow; a plurality of pumps connected to at least one reservoir, to control flow rates of the first flow and the additional flow(s); and a computer which controls a selection of one of the plurality of components from the fluid mixture. Full Article
and Method and apparatus for centrifugal separation By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT Embodiments of the present invention generally relate to methods and apparatus for centrifugal separation. In one embodiment, a separator includes an outer tubular having ends sealed from the environment and an inner tubular. The inner tubular is disposed within the outer tubular, has ends in fluid communication with a bore of the outer tubular, and is attached to the outer tubular. The separator further includes an inlet. The inlet is disposed through a wall of the outer tubular, in fluid communication with a bore of the inner tubular, and tangentially attached to the inner tubular so that fluid flow from the inlet to the inner tubular is centrifugally accelerated. The separator further includes a gas outlet in fluid communication with the outer tubular bore; and a liquid outlet in fluid communication with the outer tubular bore. Full Article
and Method and apparatus for concentrating platelets from platelet-rich plasma By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT An apparatus for use with a centrifugal cellular separation device that comprises a rotor rotatable about an axis of rotation is provided that comprises a fluid separation chamber having a first port, a second port spaced apart from the first port, and a third port located intermediate the first port and the second port. The fluid separation chamber has a cross sectional area generally transverse to a radius extending from the axis of rotation that varies between the first port and the second port. The fluid separation chamber is adapted to be mounted to the rotor so as to be rotatable therewith, with the first port located at a greater radial distance from the axis than the second port, and the third port located radially intermediate the first port and the second port. Full Article
and Color-changing marking implement and substrate By www.freepatentsonline.com Published On :: Tue, 02 Sep 2014 08:00:00 EDT A color-changing marking system, including a color-changing marking medium and a substrate. The color-changing marking medium has a nominal color and includes a color developer activator and/or color former leuco dye. The substrate includes a treated portion on which a color former leuco dye and/or color developer activator has been applied. Application of the color-changing marking medium to an untreated portion of the substrate causes the color-changing marking medium to create marks of the nominal color. Application of the color-changing marking medium to the treated portion of the substrate causes the color-changing marking medium to create marks of a changed color in response to a chemical or mechanical reaction between the leuco dye and the activator. The marking medium may a crayon, colored pencil, marker ink or paint. Full Article
and Indicator, application thereof and related products By www.freepatentsonline.com Published On :: Tue, 16 Sep 2014 08:00:00 EDT There is disclosed an indicator composition, the application thereof to substrates, and related products. The indicator composition comprises an organic solvent soluble polymer and a redox sensitive material which displays different visible properties in the oxidized and reduced forms. The organic solvent soluble polymer can be at least partially sulfonated polystyrene. The indicator composition can be dissolved in organic solvents such as acetone, ethanol and ethyl acetate to form inks which can be used in a variety of printing processes. The indicator composition can be used to detect oxidizing agents, oxygen, water, reducing agents, UV light, temperature and the passage of time. Full Article
and Image processing method and image processing apparatus By www.freepatentsonline.com Published On :: Tue, 07 Oct 2014 08:00:00 EDT To provide an image processing method including at least one of recording an image onto a thermoreversible recording medium in which transparency or color tone reversibly changes depending upon temperature, by applying a laser beam with the use of a CO2 laser device so as to heat the thermoreversible recording medium, and erasing an image recorded on the thermoreversible recording medium, by heating the thermoreversible recording medium, wherein an intensity distribution of the laser beam applied in the image recording step satisfies the relationship represented by Expression 1 shown below, 1.59 Full Article
and Pharmaceutical combination for the treatment and/or chemosensibilization of refractory tumors to anticancer drugs By www.freepatentsonline.com Published On :: Tue, 28 Oct 2014 08:00:00 EDT This invention is related to a pharmaceutical combination that contains a Casein kinase 2 (CK2) peptide inhibitor (termed P15) along with the standard chemotherapeutic drugs used in cancer treatment and which are administered together, separated or sequentially. The chemotherapeutic drugs include cisplatin, taxol, alkaloids from Vinca, 5-fluorouracil, doxorubicin, cyclophosphamide, etoposide, mitomicin C, imatinib, iressa and velcade (vortezomib). The synergism between the P15 peptide and the anticancer drugs achieves an efficient concentration of each cytostatic drug in the combination which is from 10- to 100-fold lower than that for each cytostatic drug alone. The pharmaceutical combination described in this invention exhibits lower toxicity compared to that reported by the anticancer therapeutics and therefore, it represents a crucial advantage for its use in cancer therapy. Furthermore, the sequential administration of this pharmaceutical combination through the pretreatment with the P15 peptide leads to the chemo sensibilization of refractory tumors to the anticancer therapeutics. Full Article
and Direct thermal media and registration sensor system and method for use in a color thermal printer By www.freepatentsonline.com Published On :: Tue, 04 Nov 2014 08:00:00 EST Provided is a direct thermal media containing a regular repeating pattern of color-forming thermally-imageable stripes printed parallel to the print head element line and a system for using such direct thermal media in color direct thermal printers including an optical registration system optimized for use with this media and an image processing unit that monitors the position of the stripe pattern relative to the print head and synchronizes the start of the printing process. This direct thermal media together with the optical registration system and image processing unit comprise an operative system in that the design of the thermal media, the optical registration system and image processing unit used to control printing are optimized for use with each other. This system may be utilized, for example, in color thermal printers for documents, receipts, tags, tickets or labels. Full Article
and Reversible thermosensitive recording medium and reversible thermosensitive recording member By www.freepatentsonline.com Published On :: Tue, 04 Nov 2014 08:00:00 EST A reversible thermosensitive recording medium including a support, a reversible thermosensitive recording layer provided on the support and an antistatic layer, wherein the antistatic layer is provided on at least one of the reversible thermosensitive recording layer and a surface of the support opposite to the surface thereof on which the reversible thermosensitive recording layer is provided, wherein the antistatic layer contains spherical fillers and a curable conductive polymer, and wherein the spherical fillers satisfy the following Expression (1): 4≦average particle diameter of the spherical fillers/thickness of the antistatic layer≦6 Expression (1). Full Article
and Heat-sensitive color-developing composition and heat-sensitive recording material comprising the composition By www.freepatentsonline.com Published On :: Tue, 18 Nov 2014 08:00:00 EST A heat-sensitive color-developing composition containing a hydroxyquinoline compound having a methyl group and an acid anhydride compound represented by general formula (1): wherein ring A represents a substituted or unsubstituted aromatic hydrocarbon ring, and n represents an integer of 1 to 3, and a heat-sensitive recording material containing the composition in a recording layer. Full Article
and Colour laser marking of articles and security document precursors By www.freepatentsonline.com Published On :: Tue, 16 Dec 2014 08:00:00 EST A method of color laser marking an article having a polymeric foil with at least one colorless layer containing an infrared absorber, a polymeric binder and a color forming compound; including the steps of:—laser marking the colorless layer with an infrared laser using a first laser operation mode to generate a blue or cyan color; and—laser marking the same colorless layer with an infrared laser using a second laser operation mode to generate a black color, wherein the first laser operation mode applies less energy to the colorless layer than the second laser operation mode. Also disclosed is an article, such as a security document, including a polymeric foil and a colorless layer containing laser marked graphical data having a blue or cyan color and laser marked information having a black color. Full Article
and Pressure-chromic tape and methods of making same By www.freepatentsonline.com Published On :: Tue, 16 Dec 2014 08:00:00 EST Masking tapes that changes color when the tape is rubbed down or dispensed onto an adherend and methods of making such tapes are disclosed herein. The tape includes a backing, a layer of adhesive on the bottom surface of the backing, and a release structure on the top surface of the backing that includes a pressure-chromic indicator and a release layer. The pressure-chromic indicator is characterized in that it is not activated by the pressure applied during the manufacturing process, but is activated by the pressure applied when the tape is rubbed or dispensed onto an adherend. Full Article
and Colour laser marking of articles and security documents By www.freepatentsonline.com Published On :: Tue, 30 Dec 2014 08:00:00 EST A method for preparing a color laser marked article comprising the steps of: a) infrared laser marking a security element including a polymeric support and a color forming layer comprising a color forming compound, an infrared dye and a polymeric binder comprising vinyl acetate and at least 85 wt % of vinyl chloride based on the total weight of the binder; and b) exposing the laser marked security element with light having a wavelength higher than 440 nm. The light exposure of step b) hinders the falsification of an issued security document without significant increase of background density. Full Article
and Vinyl chloride-based resin latexes, processes for producing the same, and thermal transfer image-receiving sheet obtained using the same By www.freepatentsonline.com Published On :: Tue, 13 Jan 2015 08:00:00 EST A vinyl chloride-based resin latex which froths little when unreacted monomer remaining in the latex are recovered under heat and reduced-pressure conditions, and a thermal transfer image-receiving sheet which has satisfactory water resistance, does not yellow during storage, and gives images having excellent durability and light resistance. The invention provides a vinyl chloride-based resin latex contains a copolymer containing a vinyl chloride and an epoxy-group-containing vinyl or contains vinyl chloride, an epoxy-group-containing vinyl, and a carboxylic acid vinyl ester, wherein a content of the epoxy-group-containing vinyl is 0.1% by weight or more but less than 3% by weight, and wherein the latex contains no surfactant, and has a solid concentration of 25% by weight or more; a process for producing the latex; and a thermal transfer image-receiving sheet obtained using the latex. Full Article
and Polysiloxane-modified polyhydroxy polyurethane resin, method for producing same, heat-sensitive recording material using the resin, imitation leather, thermoplastic polyolefin resin skin material, material for weather strip, and weather strip By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST Disclosed are a polysiloxane-modified polyhydroxy polyurethane resin characterized by being derived from a reaction between a 5-membered cyclic carbonate polysiloxane compound represented by the below-described formula (1) and an amine compound, and its production process; and a resin composition, thermal recording medium, imitation leather, thermoplastic polyolefin resin skin material, weather strip material, and weather strip, all of which make use of the resin. wherein A means Full Article
and Coating for humidity indicator, method for production of the coating, and humidity indicator using the coating By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST Disclosed is a humidity indicator which contains no heavy metal and has good visibility of a color change that occurs when the humidity is increased. The humidity indicator can be produced by applying an aqueous coating comprising a leuco dye, an acidic compound which is in a solid state at ambient temperature, a deliquescent substance and an aqueous resin emulsion onto a substrate such as a resin film, a nonwoven fabric or a paper, and heating and drying the resulting product. Full Article
and Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating the same By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST The present invention relates to a thermochromic color-memory composition containing: (I) an electron donating coloring organic compound, (II) an electron accepting compound, and (III) an ester compound represented by the following formula (1) as a reaction medium which controls color reaction of the components (I) and (II): (in the formula, X represents any of a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, and a halogen atom, m represents an integer of from 1 to 3, and n represents an integer of from 1 to 20). Full Article
and Metallized thermal dye image receiver elements and imaging By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST A thermal dye image receiver element has a substrate comprising a voided compliant layer and metalized layer. Disposed on the metalized layer is an opacifying layer that includes an opacifying agent and a dye receiving layer. This thermal dye image receiver element can be a duplex element with image receiving layers on both sides of the substrate, and it can be used in association with a thermal donor element to provide a thermal image on either or opposing sides of the receiver element. The metalized layer provides increased specular reflectance under resulting thermal dye images. Full Article
and Security documents and colour laser marking methods for securing them By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT A security document precursor including, in order, at least: a) a transparent biaxially stretched polyethylene terephthalate foil; b) a colorless color forming layer containing at least an infrared absorber, a color forming component and a polymeric binder; and c) a polymeric support; wherein the colorless color forming layer contains at least one component forming a compound having a melting temperature of less than 20° C. upon laser marking the colorless color forming layer with an infrared laser. Methods for securing a security document using the security document precursor are also disclosed. Full Article
and Phenolsulfonic acid aryl ester derivative, and heat-sensitive recording material using same By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT The invention provides a phenolsulfonic acid aryl ester represented by formula (1) wherein each symbol is as defined in the description. The phenolsulfonic acid aryl ester is useful as a developer to provide a thermal recording material with good color-developing sensitivity, image density when printed at a low application energy (i.e., high start-up sensitivity), and heat and plasticizer resistance. The invention also provides a thermal recording material using the developer. Full Article
and Thermosensitive multiple recording sheet and method for producing the same By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT The present invention provides a thermosensitive multiple recording sheet characterized in that a second base material having light transmission properties is attached to the side of a first thermosensitive recording layer of a first thermosensitive recording sheet comprising a first base material and the first thermosensitive recording layer formed on one surface of the first base material, through a temporary adhesive layer, the second base material is composed of an information disclosing portion and an information non-disclosing portion, a shielding layer is formed at the position corresponding to the information non-disclosing portion on the second base material, and an ultraviolet curable resin layer are formed as an outermost layer of the sheet. Full Article
and Thermal recording material and method for producing the same By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT Provided is a thermal recording material that is excellent in water resistance and prevention of print head wear, less prone to discoloration in the non-printing area, and stably producible. The thermal recording material comprises a protective layer formed by applying a coating liquid for forming the protective layer, the coating liquid being prepared by mixing an acetoacetyl-modified polyvinyl alcohol and calcium glyoxylate particles with a maximum diameter less than 500 μm and an average diameter of 125 μm or less. Full Article
and Polymer-bonded perylene dyes and compositions containing same By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A method of increasing the solubility and/or dispersibility of a perylene dye in a liquid medium. The method comprises binding the perylene dye to a polymer which is soluble in the liquid medium. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way. Full Article
and Thermal transfer image-receiving sheet and manufacturing method for thermal transfer image-receiving sheet By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Disclosed is a thermal transfer image-receiving sheet which excels in adhesiveness to a receiving layer and solvent resistance, and a manufacturing method thereof. In the thermal transfer image-receiving sheet, which includes a porous layer, a barrier layer, a receiving layer which are stacked in this order on a substrate, the porous layer includes a binder resin and hollow particles, and the barrier layer includes (i) (A) a first acrylic resin and (B) one or more kinds of resins selected from the group consisting of polyester resins, polyvinyl pyrrolidone type resins, polyester type urethane resin, and a second acrylic resin which differs from the first acrylic resin; or (ii) a polyvinyl pyrrolidone type resin. Full Article
and Methods and systems for producing synthetic fuel By www.freepatentsonline.com Published On :: Tue, 06 Jan 2015 08:00:00 EST Methods and systems for producing a synthetic fuel are disclosed. In some embodiments, the methods and systems include the following: thermally reforming methane and carbon dioxide to generate a syngas including a first quantity of carbon monoxide and a first quantity of hydrogen; oxidizing the quantity of first carbon monoxide with a metal to produce metal oxide and carbon thereby separating oxygen from the carbon monoxide; gasifying the carbon using steam to produce a second quantity of carbon monoxide and a second quantity of hydrogen; reacting the metal oxide with methane to produce metal oxide, carbon dioxide, and a third quantity of hydrogen; and synthesizing the first quantity of carbon monoxide, the first quantity of hydrogen, the second quantity of hydrogen, and the third quantity of hydrogen to form the synthetic fuel. Full Article
and Biomass gasification gas purification system and method and methanol production system and method By www.freepatentsonline.com Published On :: Tue, 03 Feb 2015 08:00:00 EST A biomass gasification gas purification system includes a dust collector for removing dust in biomass gasification gas (containing tar components) acquired by gasifying biomass by a biomass gasification furnace, a desulfurizer for removing sulfur oxide components in the dust-removed biomass gasification gas, a pre-reforming reactor for reforming tar components in the desulfurized biomass gasification gas, a steam feed unit for feeding steam to an upstream side of the pre-reforming reactor, and a natural-gas feed unit for feeding natural gas on an upstream side of the desulfurizer. Full Article