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| Number | Title | Issue Date |
| 8110649 | Polycarbonates comprising cyclic oligomers and having an improved flow behavior The invention relates to polycarbonates that comprise defect structures and cyclic oligomers and have improved properties. The invention also relates to molded articles and extrudates made from said polycarbonates. ... | 02/07/2012 |
| 7678875 | Method for producing polycarbonate copolymer and polycarbonate copolymer A method for producing a PC copolymer with improved productivity is provided. The PC copolymer has a specific structure and the method uses a diester diol-containing monomer as a raw material. The polycarbonate copolymer is produced by reacting a diester diol-contai... | 03/16/2010 |
| 7642334 | Polymer of polycarbonate diol having an alicyclic structure and production process thereof The invention relates to a polycarbonate diol, comprising an organic residue derived from a diol component represented by formula (1), wherein n is 0 or an integer of 1 to 4, and the norbornane structure or the cyclopentane... | 01/05/2010 |
| 7534850 | Silyl group-containing polymer and its production process A silyl group-containing polymer which can be cured quickly and strongly, and from which a cured product excellent in antifouling properties and weather resistance while maintaining favorable rubber elasticity can be obtained, and having the following formula (1): | 05/19/2009 |
| 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 |
| 7332214 | Biodegradable molded article, manufacturing method thereof, and composition for expansion molding Biodegradable molded articles; a process for producing the same: and compositions for foam molding packed in a packaging film bag to be used in the production. A bowl-type container(10a), which is one of the biodegradable molded articles as described a... | 02/19/2008 |
| 7291435 | Toner binder for electrophotography and toner for electrophotography The present invention provides a toner binder for electrophotography which comprises a polyester resin constituted of an alcohol component containing a polyoxyalkylene ether (A) of a bisphenol and an acid component, and the content of unreacted bisphenols in said po... | 11/06/2007 |
| 7276571 | Process for making phenylene dioxydiacetic acid and use thereof A process for making phenylene dioxydiacetic acid comprises (a) contacting a dihydroxybenzene under reaction conditions with a salt of haloacetic acid in a solution without adding a haloacetic acid to produce a salt of phenylene dioxydiacetic acid; and (b) optionall... | 10/02/2007 |
| 7214432 | Coating compositions, their preparation, and coated articles made therefrom A coating composition comprising components A, B and optionally C, wherein component A comprises at least one hydroxy-terminated polyarylate. Component B is an organic species which can react with the hydroxy terminal groups of component A, and component C is a cata... | 05/08/2007 |
| 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 |
| 7157525 | Thermoplastic elastomer resin The present invention relates to a thermoplastic elastomer resin which has good melt viscosity, melt tension, and thermal resistance, wherein it is prepared by introducing a chain extender and a stabilizer for hydrolysis to a thermoplastic elastomer resin produced t... | 01/02/2007 |
| 7122598 | Nematic elastomer fiber with mechanical properties of a muscle A method of making a liquid crystalline fiber is disclosed. A copolymer having a liquid crystalline side group and a crosslinking side group is crosslinked. A fiber of the crosslinking copolymer is drawn before the crosslinking reaction is complete. ... | 10/17/2006 |
| 7115350 | Low temperature fixing toner A toner includes a binder resin, a charge control agent, and a pigment. The binder resin includes a main binder resin and 10 to 100 parts by weight of crystalline polyester that maintains a polymer chain orientation even in a molten state, based on the main binder r... | 10/03/2006 |
| 7105260 | Binder resin for toner and toner A binder resin for a toner comprises a polyester component having a specific structure which is not soluble in tetrahydrofuran, and a polyester component having a specific branched structure which is soluble in tetrahydrofuran. The binder resin can provide a toner, ... | 09/12/2006 |
| 6998212 | Crystalline polyester A crystalline polyester having a number-average molecular weight of from 5000 to 10000, a weight-average molecular weight of from 150000 to 8000000, a maximum peak temperature of heat of fusion of from 60° to 150° C., and a ratio of a softening point to a maximum ... | 02/14/2006 |
| 6887306 | Rosin phenolic resins for printing inks Rosin modified phenolic resins are prepared by reacting together rosin, fatty acid, phenol and aldehyde. The fatty acid may be Monomer (derived from the fatty acid dimerization process). The reaction mixture may optionally include α,β-olefinically unsaturated carb... | 05/03/2005 |
| 6723822 | Crystalline polyester A crystalline polyester obtained by polycondensing monomers comprising 0.1 to 10% by mol of a divalent aromatic compound, wherein the crystalline polyester has a softening point of 85° to 150° C. The crystalline polyester can be suitably used for a resin binder fo... | 04/20/2004 |
| 6656577 | Process for making poly(ethylene-co-isosorbide) terephthalate polymer The present invention is a process for making a low color copolymer of ethylene glycol, isosorbide and terephthalic acid or dimethyl terephthalate. This copolymer, poly(ethylene-co-isosorbide) terephthalate, is useful for making bottles, hot-fill containe... | 12/02/2003 |
| 6624246 | Method for the preparation of 1-benzotriazolyl carbonate esters of poly(ethylene glycol) The invention provides a method for preparing a 1-benzotriazolylcarbonate ester of a water-soluble and non-peptidic polymer by reacting a terminal hydroxyl group of a water-soluble and non-peptidic polymer with di(1-benzotriazolyl)carbonate in the presenc... | 09/23/2003 |
| 6514611 | Anisotropic melt-forming polymers having a high degree of stretchability Highly stretchable, anisotropic melt-forming polymers consisting essentially of recurring units derived from p-hydroxybenzoic acid, 6-hydroxy-2-naphthoic acid, isophthalic acid, terephthalic acid and hydroquinone are disclosed.... | 02/04/2003 |
| 6482915 | Method for producing liquid crystalline polymer The invention provides a method for producing a thermotropic liquid crystalline polymer of high quality at high yield and in short polymerization time, which method includes polymerizing staring monomers I, II, III, and IV, i.e., (I) an aromatic hydroxyca... | 11/19/2002 |
| 6436525 | Polyanhydride photochromic coating composition and photochromic articles Described are articles having a polyanhydride photochromic coating. The coatings exhibit a Fischer microhardness of from 50 to 130 Newtons per mm2 and desirable photochromic properties, i.e., the formation of darker activated colors and faster ... | 08/20/2002 |
| 6388045 | Liquid-crystalline polymer Provided is a liquid crystalline polymer which is obtained by copolymerizing at least one polyfunctional aromatic monomer selected from the group consisting of the compounds represented by the formulae (I), (II) and (III) below with at least one polymeriz... | 05/14/2002 |
| 6348163 | Liquid crystalline polyesters compositions containing aromatic phosphonites and a process for the preparation thereof Disclosed are novel compositions containing an LCP and one or more aromatic phosphonites. Also disclosed is a novel process for preparing LCPs in the presence of one or more aromatic phosphonites. The process enables the preparation of LCPs in a more cont... | 02/19/2002 |
| 6255405 | Light-absorbing polymers and application thereof to anti-reflection film A high-performance anti-reflective coating which highly absorbs a given light, e.g., deep ultraviolet rays, tenaciously adheres to substrates upon coating formation, is satisfactory in covering, and eliminates the influence of standing waves in the produc... | 07/03/2001 |
| 6242558 | Modified polytrimethylene terephthalate A 1,3-propanediol-based aromatic polyester such as polytrimethylene terephthalate is modified by reaction with a hindered phenolic acid or ester to provide an endcapped polyester which has improved resistance to generation of acrolein when heated in air.... | 06/05/2001 |
| 6239249 | Method for producing a copolymerized polyester resin A method for producing a copolymerized polyester resin, which comprises subjecting a dicarboxylic acid component containing terephthalic acid or its ester derivative as the main component and a phenylene dioxydiacetic acid as a copolymerizable component, ... | 05/29/2001 |
| 6183848 | Low melt viscosity amorphous copolyesters with enhanced glass transition temperatures having improved gas barrier properties An amorphous copolyester having a maximum melt viscosity at 1 radian/second and at about 260 to about 290° C. of about 12000 poise, a glass transition temperature ranging from about 88° C. to about 120° C., and an inherent viscosity of at least about 0... | 02/06/2001 |
| 6127080 | Polyester process A process for the preparation of an unsaturated polyester which comprises (i) reacting an organic diol with a cyclic akylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, and (ii) optionally adding thereto a further amou... | 10/03/2000 |
| 6127493 | Pressure polymerization of polyester A process is disclosed for the preparation of a polyester polymer or polyester copolymer under superatmospheric pressure conditions in a pipe or tubular reaction under turbannular flow conditions. Reaction material having a glycol equivalents to carboxyli... | 10/03/2000 |
| 6107447 | Cholesteric phase-forming polymers, process for their preparation and their use The invention relates to polymers which form cholesteric phases, to a process for their preparation and to their use. Novel polymers and oligomers which form cholesteric phases essentially consist, as molecular building blocks, of A. at least one bifunctional ... | 08/22/2000 |
| 6063495 | Polyester fiber and methods for making same A polyester fiber made from a polymer having ethylene glycol moieties, isosorbide moieties and terepthaloyl moieties, and the method of making the fiber is described. The polyester fiber is used to form articles suitable for commercial, especially textile... | 05/16/2000 |
| 6063827 | Polyester process A process for the preparation of an unsaturated polyester which comprises (i) reacting an organic diol with a cyclic akylene carbonate in the presence of a first catalyst to thereby form a polyalkoxy diol, and (ii) optionally adding thereto a further amou... | 05/16/2000 |
| 6063465 | Polyester container and method for making same A polyester container made from a polymer having ethylene glycol moieties, isosorbide moieties and terepthaloyl moieties, and the method of making the container is described. The polyester container is suitable for holding liquids and solids, and may be h... | 05/16/2000 |
| 6054551 | Polyester comprising a residue of isophthalic acid, terephthalic acid, ethylene glycol and an aromatic diol derivative A polyester having increased UV absorption comprising (i) a residue of a dicarboxylic acid component comprising terephthalic and from about 1 to about 20 mole % of isophthalic acid, (ii) a residue of a glycol component comprising ethylene glycol, and (iii... | 04/25/2000 |
| 5958581 | Polyester film and methods for making same A polyester film made from a polymer having ethylene glycol moieties, isosorbide moieties and terepthaloyl moieties, and the method of making the film is described. The polyester film is used to form articles such as films, lacquers, labels, capacitors, i... | 09/28/1999 |
| 5780195 | Toner resin compositions A toner resin composition and a method of making the same are disclosed. The toner resin composition comprises a polyester resin formed from a reaction between a polybasic acid or anhydride and a polyhydric alcohol, and a polyfunctional epoxy resin which ... | 07/14/1998 |
| 5703202 | Process for treating liquid crystal polymer film A process for treating a liquid crystal polymer film which includes the steps of: heating a film obtained by extrusion molding of a liquid crystal polymer, while contacting at least one surface of the film with a supporting body, to melt the polymer; cool... | 12/30/1997 |
| 5686553 | Copolyesters and molded articles comprising the same The invention provides polyesters of terephthalic acid units and ethylene glycol units, having excellent melt moldability. The invention also provides molded articles having excellent transparency, impact resistance, gelation characteristics, appearance, ... | 11/11/1997 |
| 5677416 | Flame-retardant wholly aromatic polyester and method for preparing the same There are disclosed a wholly aromatic polyester represented by formula I with enhanced flame retardance and chemical stability, and a method for the preparing the same. The polymer is prepared in interface polymerization wherein an alkali aqueous phase co... | 10/14/1997 |
