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| Number | Title | Issue Date |
| 7399799 | Flame-retardant polyester polymer dyeable with cationic dye, method of producing the same, and copolyester fiber using the same Disclosed is a flame-retardant polyester polymer dyeable with a cationic dye, a method of producing the same, a copolyester fiber using the same, and fiber products using the copolyester fiber. In the method, after a dimethyl isophthalate component containing metal ... | 07/15/2008 |
| 7393467 | Wholly aromatic liquid-crystalline polyester and method for preparing the same Provided is a liquid-crystalline polyester with good properties obtainable by subjecting a prepolymer consisting of the repeating units represented by formulae (I), (II), (III) and (IV): to heat treatment in a substantially... | 07/01/2008 |
| 7354887 | High temperature LCP for wear resistance A high temperature liquid crystalline polyester (LCP) composition, and articles made therefrom, that provides “good” to “excellent” wear resistance at PVs (pressure×velocity) of at least 1.75 MPa-m/s (50,000 psi-fpm). The high temperature LCP being a matrix... | 04/08/2008 |
| 7351786 | Polyhydroxyalkanoate containing unit having cyclohexyl structure at side chain, production process therefor, and binder resin containing polyhydroxyalkanoate Disclosed are a polyhydroxyalkanoate, containing in a polymer molecule thereof a monomer unit represented by the following general formula (1): (wherein R1 represents a substituent to a cyclohexyl group, where R1 is a H ato... | 04/01/2008 |
| 7344657 | Aromatic liquid-crystalline polyester composition and film of the same An aromatic liquid-crystalline polyester composition is provided, which comprises at least one compound selected from an aliphatic carboxylate aryl ester and an aromatic carboxylic anhydride; an aromatic liquid-crystalline polyester; and a solvent containing at leas... | 03/18/2008 |
| 7341675 | Liquid crystalline polymer composition Liquid crystalline polymers containing specified ratios of repeat units derived from hydroquinone, 2,6-naphthalenedicarboxylic acid, 4-hydroxybenzoic acid and optionally terephthalic acid have exceptionally high heat distortion temperatures, making especially useful... | 03/11/2008 |
| 7304121 | Liquid-crystalline polyester resin and method for producing it The present invention provides a liquid-crystalline polyester obtainable by a method comprising the steps of: (1) preparing a prepolymer consisting of the repeating units represented by formulae (I), (II), (III) and (IV): ... | 12/04/2007 |
| 7271235 | Branched aromatic polycarbonate and its production method It is to provide a branched aromatic polycarbonate excellent in hue and excellent in melt properties such as melt strength. A branched aromatic polycarbonate obtained by transesterification and having a viscosity average molecular weight of at least 16,000, w... | 09/18/2007 |
| 7238769 | Method for joining liquid-crystalline polyester resin composition parts and jointed article made of liquid-crystalline polyester resin composition The present invention provides a method for joining liquid-crystalline polyester resin composition parts, characterized in that the melting point of the liquid crystalline polyester resin measured by differential scanning calorimeter is 190-250° C. and that the par... | 07/03/2007 |
| 7227179 | Circuit materials, circuits, multi-layer circuits, and methods of manufacture thereof Crosslinkable liquid crystalline polymer compositions for use as dielectric materials in circuit materials, circuits, and multi-layer circuits are disclosed. The crosslinkable liquid crystalline polymer compositions comprise crosslinkable liquid crystalline polymers... | 06/05/2007 |
| 7198830 | Polycarbonate resin composition and polarizing sheet used the same A polycarbonate resin composition obtained by blending a polycarbonate resin (A) obtained by forming a carbonate bond from 95 to 5 mol % of a dihydroxy compound having a fluorene structure represented by the general formula (1) and 5 to 95 mol % of a dihydroxy compo... | 04/03/2007 |
| 7179401 | Thermotropic liquid-crystalline polymer A thermotropic liquid crystalline polymer, which is obtainable by copolymerizing a trifunctional hydroxynaphthalene carboxylic acid represented by the general formula (I) and/or reactive derivative thereof with other polymerizing monomer(s) | 02/20/2007 |
| 7175779 | Thermotropic main-chain liquid crystalline polymers and method of increasing the melt processibility of polyester-based liquid crystalline polymers A thermotropic main-chain liquid crystalline homo- or copolymer forming a liquid crystalline phase and containing an aromatic monomer with functional groups in ortho- or meta-position. The polymer exhibits both isotropic and anisotropic properties. The present inven... | 02/13/2007 |
| 7173102 | Facially amphiphilic polymers as anti-infective agents Facially amphiphilic polymers and articles made therefrom having biocidal surfaces are disclosed. The polymers can inhibit the growth of microorganisms in contact with the surface or in areas adjacent to said biocidal surface. There is also disclosed a method to ide... | 02/06/2007 |
| 7166690 | Recycled method for a wasted polyester and reclaimed materials thereof The present invention relates to a method for the recycling waste polyester resins and the reclaimed materials therefrom. The method for recycling waste polyester resins according to one embodiment the present invention comprises (a) depolymerizing waste polyester r... | 01/23/2007 |
| 7160977 | Polymer blends with improved notched impact strength This invention relates to a blend of biodegradable polymers comprising: (A) about 70% to about 80% by weight of at least one flexible biodegradable polymer (A) having a glass transition less than about 0° C., (B) about 30% to about 20% by ... | 01/09/2007 |
| 7153467 | Method of making a golf ball with a multi-layer core A method for making a multilayer golf ball including a solid center having a center hardness, a plurality of laminates cut into a plurality of shapes formed around the center to create an inner ball, and a cover formed around the inner ball, wherein the plurality of... | 12/26/2006 |
| 7148311 | Liquid crystal polymers Liquid crystal polyester derived from phenylene-naphthalene monomers and one or more comonomers display an improved balance of properties, including low melt viscosity, fast cycle time in molding, very low mold shrinkage, high tensile and/or flexural strength, solve... | 12/12/2006 |
| 7138480 | 3-Hydroxycarboxylic acid production and use in branched polymers This invention relates to a process for the preparation of a 3-hydroxycarboxylic acid from a 3-hydroxynitrile. More specifically, 3-hydroxyvaleronitrile is converted to 3-hydroxyvaleric acid in high yield at up to 100% conversion, using as an enzyme catalyst 1) nitr... | 11/21/2006 |
| 7132499 | Polyester resin container with improved weatherability A polyester resin container with improved weatherability as well as colorlessness and heat resistance, made of a polyester resin composition comprising (A) 100 parts by weight of a polyester resin and (B) 0.01 to 10 parts by weight of a triazine ultraviolet absorber... | 11/07/2006 |
| 7132497 | Aromatic dihydroxy compound useful for the preparation of (CO)polycarbonates An aromatic dihydroxy compound conforming to formula 1 is disclosed. Also disclosed are (co)polycarbonates derived from the compound. The novel (co)polycarbonates are characterized by their reduced water uptake a... | 11/07/2006 |
| 7131914 | Method of making a golf ball with a multi-layer core A multilayer golf ball including a solid center having a center hardness, a plurality of laminates cut into a plurality of shapes formed around the center to create an inner ball, and a cover formed around the inner ball, wherein the plurality of layers can include ... | 11/07/2006 |
| 7105106 | Liquid crystalline polymers, processes for their manufacture, and articles thereof Thermotropic liquid crystalline polymers are produced by the reaction of a polyester made from an aromatic dicarboxylic acid and a diol, one or more hydroxycarboxylic acids, a stoichiometric excess of an aromatic diol, and a carboxylic acid anhydride. Also disclosed... | 09/12/2006 |
| 7101597 | Medical devices made from polymer blends containing low melting temperature liquid crystal polymers A medical device, at least a portion of which is composed of a polymeric material in which the polymeric material is a melt blend product of at least two different thermoplastic polymers, one of the thermoplastic polymers being a thermoplastic liquid crystal polymer... | 09/05/2006 |
| 7087704 | Method for manufacturing thermotropic liquid-crystalline polymer It is an object of the present invention to manufacture high quality thermotropic liquid-crystalline polymer generating no low boiling gas and inducing no discoloration resulted from thermal degradation at high yield. To manufacture a liquid-crystalline polymer havi... | 08/08/2006 |
| 7084233 | Aromatic polycarbonate, process for producing the same, polycarbonate composition, and hollow container obtained from the same A subject for the invention is to provide a branched aromatic polycarbonate which is excellent in hue and in melt characteristics such as melt strength. The invention provides a branched aromatic polycarbonate having a viscosity-average molecular weight of 16... | 08/01/2006 |
| 7081510 | Shell material for recording media The invention provides a shell material for recording media comprising an alloy between an acrylonitrile-butadiene-styrene resin and recovery polyethylene terephthalate, the content of recovery polyethylene terephthalate in the total amount of the alloy being in the... | 07/25/2006 |
| 7081509 | Method for producing highly functional, hyper branched polyester by means of enzymatic esterification The present invention relates to a process for preparing highly functional hyperbranched polyesters which comprises reacting a reaction solution comprising solvent and (a) one or more dicarboxylic acids or one or more derivatives thereof with one or mor... | 07/25/2006 |
| 7063892 | Aromatic liquid-crystalline polyester and film thereof An aromatic liquid-crystalline polyester having a small dielectric loss in a wide frequency region is provided. An aromatic liquid-crystalline polyester is provided that can manufacture a film having a small volume expansion by heating. An aromatic liquid-crystallin... | 06/20/2006 |
| 7057005 | Process for preparing branched polycarbonate The present invention is a process for producing branched polycarbonate providing for optimum utilization of the branching agent. It was surprisingly found that adding at least a portion of the coupling catalyst to the polymerization at a point during the oligomeriz... | 06/06/2006 |
| 7045214 | Method for recycling optical disk, resin composition for forming film, and resin molded article A method for recycling an optical disk includes crushing a recovered optical disk without further treatment into chips that are used as a raw material of a resin composition for forming a film. The resin composition can be formed by injection molding to form a resin... | 05/16/2006 |
| 7041781 | Thermoplastic molding compounds with improved surface properties and improved structural homogeneity Homo- and/or copolymers of one or more ethylenically unsaturated monomers, suitable for the preparation of molded articles that feature improved properties, especially improved fracture properties, heat stability and notched impact strength are disclosed. These homo... | 05/09/2006 |
| 7041350 | Polyester composition and articles with reduced acetaldehyde content and method using hydrogenation catalyst A polyester composition with reduced acetaldehyde concentration comprising polyester, at least one hydrogenation catalyst, and at least one source of reactive hydrogen. A method for making the polyester composition is also disclosed along with polyester articles mad... | 05/09/2006 |
| 7030206 | Polymer electrolyte and proton-conducting membrane To provide a sulfonic acid group-containing polymer having improved hot water resistance and radical resistance (durability), a solid polymer electrolyte including the polymer, and a proton-conducting membrane including the electrolyte, the polymer electrolyte inclu... | 04/18/2006 |
| 7014791 | Liquid crystalline polymer composition Liquid crystalline polymer having repeat units derived from 4,4′-biphenol, terephthalic acid, 2,6-naphthalenedicarboxylic acid, and 4-hydroxybenzoic acid in a limited compositional range have melting points of 400° C. or more, and are useful for molded articles a... | 03/21/2006 |
| 7014573 | Method of making a golf ball with a multi-layer core A method for making a multilayer golf ball including a solid center having a center hardness, a plurality of laminates cut into a plurality of shapes formed around the center to create an inner ball, and a cover formed around the inner ball, wherein the plurality of... | 03/21/2006 |
| 7014914 | Polyester yarn and airbags employing certain polyester yarn Airbag cushions manufactured from polyester yarn having certain levels of intrinsic viscosity (IV) and certain specific carboxyl end group (“CEG”) levels perform unexpectedly well in high temperature and high humidity environments for airbag cushion applications... | 03/21/2006 |
| 7014921 | Aromatic liquid-crystalline polyester An aromatic liquid-crystalline polyester with good moldability into a film is provided. The resulting film has small dielectric loss. The polyester comprises repeating units represented by formulae (I), (II), (III) and (IV), and the molar amounts of repeating units ... | 03/21/2006 |
| 7005497 | Liquid-crystalline polyester production method A liquid-crystalline polyester production method with a shortened reaction time and improved productivity per unit time by using an organic basic compound containing one nitrogen atom in a molecule is achieved by a liquid-crystalline polyester production method comp... | 02/28/2006 |
| 6984712 | Liquid-crystal polyester resin The present invention provides a liquid-crystalline polyester resin which comprises monomer units derived from 2-hydroxy-3-naphthoic acid and/or 2-hydroxynaphthalene-3,6-dicarboxylic acid in an amount of 1-5000 mmol % based on the total monomer components of the res... | 01/10/2006 |
