Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
08/2003
08/20/2003EP1006141B1 Polysilanes and process for producing the same
08/20/2003CN1436803A Ternary catalyst for preparing aliphatic polycarbonate with high molecular weight
08/20/2003CN1118503C Producing process for liquid preparation of tetraphenylphosphonium phenolate
08/19/2003US6608167 Bis(2-hydroxyethyl isosorbide); preparation, polymers derived therefrom, and enduses thereby
08/19/2003US6608165 Aromatic polycarbonate and production process therefor
08/19/2003US6608164 Salts of heterocyclic diols as catalysts for melt polycarbonate
08/19/2003US6608163 From bisphenol A and a hydroxyphenyl-substituted terephthalimide; improved resistance to dilute caustic solution; use in automatic dishwater parts
08/19/2003US6608147 With polyether polymers such as polyethersulfones, polyetherketones, and polyetherimides; reaction of reagents, e.g., bisphenol A disodium salt and bis(4-chlorophenyl) sulfone, in the presence of the polycarbonate or polyarylate
08/12/2003US6605686 Keeping an aromatic dihydroxy compound and a carbonic acid diester in specified storage atmosphere, temperature, temperature difference from a storage tank and residence time; low color polycarbonate produced
08/12/2003US6605221 Method and apparatus for washing polycarbonate/organic solvent solution
08/07/2003WO2003064358A1 Process for producing fluorene derivative
08/07/2003US20030149232 Process for the copolymerization of alkylene oxides and carbon dioxide using suspensions of multi-metal cyanide compounds
08/07/2003US20030149223 Method of polycarbonate preparation
08/06/2003CN1117116C System and process for producing polycondensation polymer
08/05/2003US6602976 Polycarbonate oligomers and polymers for use in electrolytes
07/2003
07/31/2003WO2003062300A1 Aromatic polycarbonate resin, process for producing the same, optical-part molding material, and optical part
07/31/2003US20030144456 Method for end-capping polycarbonate resins and composition for use in same
07/31/2003US20030143404 Ophthalmic lenses
07/30/2003EP1331246A1 Polycarbonate resin compositions
07/30/2003EP1331235A1 Process for production of aromatic polycarbonates
07/30/2003CN1433440A Process for redistribution of polycarbonate
07/30/2003CN1116333C Method for producing polycarbonate
07/30/2003CN1116332C Process for efficiently preparing high molecular aliphatic polycarbonate
07/29/2003US6600004 Preparing polyestercarbonates is presented in which a mixture of at least one activated diaryl carbonate is reacted under melt polymerization conditions with at least one aromatic dihydroxy compound together with at least one dicarboxylic
07/29/2003US6599596 Reacting terephthalate component and a diol component to form polyethylene terephthalate precursors; polymerizing precursors via melt phase polycondensation to form polymers of polyethylene terephthalate; introducing reactive carrier
07/29/2003US6599577 Method of preparation for a degradable, water and oil resistant protective membrane
07/24/2003WO2003060936A2 Film for use as a dielectric in capacitors and method for producing the same
07/24/2003US20030139504 Flame retardant resinous compositions and method
07/24/2003US20030136948 Containing polymerizable material and photochromic compound; ophthalmic lenses
07/23/2003EP1042374B1 Method for hydrogenating aromatic polymers
07/22/2003US6596896 Process for producing aromatic carbonate
07/22/2003US6596840 By reacting diphenol, carbonic acid dieseter and alkylphenol chain terminator using phosphonium salt catalyst; ester interchange
07/17/2003WO2003057758A1 Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst
07/17/2003US20030134740 Supported catalysts for the fixation of carbon dioxide into aliphatic polycarbonates and a process for preparing the same
07/17/2003US20030134213 Positive charging single-layer organic photoreceptor for liquid development
07/16/2003EP1327665A1 Process for producing polycarbonate
07/16/2003CN1430637A Polycarbonate diol having high proportion of primary terminal OH
07/15/2003US6593425 Optical recording media
07/10/2003WO2003055936A1 Fluorinated polymer
07/10/2003WO2003055932A1 Process for producing polycarbonate
07/10/2003US20030130419 Has 95-99.99 weight percent inherently electrostatic dissipating block copolymer and 0.01-5 weight percent acid end-capping reagent having an acid functionality of two; soft segment of a polyalkylene glycol and hard segment
07/09/2003EP1325080A1 Copolycarbonate-based composition
07/09/2003EP1325056A1 Use of copolycarbonates
07/09/2003EP0987285B1 Process for the preparation of aromatic polycarbonate
07/09/2003CN1113839C Method for preparing ultra-pure bisphenol A and the use thereof
07/08/2003US6590069 Methods of post-polymerization extruder injection in condensation polymer production
07/08/2003US6590068 Mixing scavengers such as 2-carbomethoxy-phenyl-2-naphthoate as by-product inhibitors in condensation polymerization of bisphenol A and diphenyl carbonate
07/08/2003US6590058 Oligomeric bischlorocarbonic acid esters obtained from selected cycloaliphatic bisphenols and other bisphenols
07/03/2003US20030125576 Prepared by transesterification of organic carbonates with aliphatic polyols in presence of catalyst which contains rare earth metal or compound thereof or metal of group III B
07/03/2003US20030125444 Polycarbonate-modified diphenoxy diacrylate; wear resistance
07/02/2003EP1322693A1 Process for the purification of polycarbonate containing solutions by plate decantation
07/01/2003US6586556 Use of copolycarbonates
07/01/2003US6586154 Photoresist polymer of following formula 1, and a photoresist composition comprising photoresist composition has excellent transparency in deep ultraviolet region, etching resistance and heat resistance, and can form a good pattern without
06/2003
06/26/2003WO2001092419A3 Data storage media containing transparent polycarbonate blends
06/26/2003US20030120025 Process for the production of polycarbonate
06/26/2003US20030120023 Melt-polycondensing an aromatic dihydroxy compound and a carbonic acid diester in the presence of a catalyst fed continuously into a shaft seal portion of a self-lubricating gear pump
06/26/2003US20030119999 Pellets formed from a polycarbonate resin, wherein the pellets satisfy the following properties (1) and (2): an average of surface areas in cutting cross sections of the pellets is 3.0 to 6.5 mm2, and an optical disc substrate formed from the
06/25/2003CN1426432A Method for producing aromatic polycarbonate
06/24/2003US6583258 Transesterification catalyst is a salt of adenosine 5'-monophosphate or 2-deoxy-6-phosphogluconic acid; diaryl carbonate with a dihydroxy aromatic compound; bisphenol A with diphenyl carbonate
06/24/2003US6583257 2-98 parts of a thermoplastic aromtic of .1-46% of biphenol and 54-99.9% of diphenol monomers, 1-50 parts of a graft polymer that is 5-90 parts of a vinyl monomer and 10-95 parts of a rubber with glass transition temperature of </= 10
06/24/2003US6583233 Method for preparing polyether copolymers with polycarbonates and polyarylates
06/19/2003WO2003050162A1 Solution filtration method for polycarbonate purification
06/19/2003WO2003050161A1 Process for preparing branched aromatic polycarbonates
06/19/2003US20030114634 Salts of antimony oxides and germanium oxides as catalysts for melt polycarbonate
06/19/2003US20030114633 Salts of heterocyclic diols as catalysts for melt polycarbonate
06/19/2003US20030111415 Solution filtration method for polycarbonate purification
06/12/2003WO2003048230A1 Method for end-capping polycarbonate resins and composition for use in same
06/11/2003CN1111188C Polycarbonate resin composition and molding product obtained therefrom
06/10/2003US6576739 Conversion of the hindered bisphenol to the corresponding bischloroformate and subsequent treatment with an amine catalyst and an aqueous base to effect polymerization by hydrolysis and condenstation of bischloroformate groups
06/10/2003US6576735 Polycarbonate resin
06/10/2003US6576386 Aromatic block polycarbonate resin, diphenol compound for preparation of the polycarbonate resin, electrophotographic photoconductor, electrophotographic image forming apparatus and process, and process cartridge
06/05/2003US20030105271 Method for end-capping polycarbonate resins and composition for use in same
06/05/2003US20030105226 Polycarbonate-siloxane copolymers
06/04/2003EP1316576A1 Process for preparation of molten mixtures of aromatic hydroxyl compounds and carbonic diesters
06/04/2003EP1315692A1 1,1-bis(4-hydroxyphenyl)-3-alkylcyclohexanes, method for their preparation and polycarbonates prepared therefrom
06/04/2003EP1113848B1 Method for evaporating polymer solutions of thermoplastic polymers
06/04/2003EP0896975B1 Polycarbonate, and molding and electrophotographic photoreceptor prepared therefrom
06/03/2003US6573359 Methods of post-polymerization injection in condensation polymer production
05/2003
05/29/2003US20030100704 Reduction of reaction by-products in polycarbonate resins
05/28/2003EP1313797A2 Non-blocking polymeric articles
05/28/2003EP1313791A1 Method for producing polycarbonate and products thereof
05/28/2003EP1313790A1 Reactive rectification
05/28/2003EP0866083B1 Polycarbonate resin, crosslinked polycarbonate resin and electrophotographic photoreceptor
05/28/2003EP0854891B1 Process for preparing coated plastic surfaces
05/28/2003CN1420901A Polycarbonate preparation process
05/28/2003CN1420134A Use of catalyst for preparing polylol aliphatic oligocarbonate
05/27/2003US6569991 Methods of post-polymerization extruder injection in polyethylene terephthalate production
05/27/2003US6569986 Salts of organic polyacids as polymerization catalysts
05/27/2003US6569985 Multistage; oligomerization using tetraalykyphosphorium catalyst and Group 1a hydroxide catalyst
05/27/2003US6569531 Additive-containing molded resin and process for producing the same
05/22/2003WO2003042305A1 Flame retardant resinous compositions and method of making the same
05/22/2003WO2003042279A1 Reduction of reaction by-products in polycarbonate resins
05/22/2003WO2003041676A1 Cosmetic preparation containing polycarbonates
05/22/2003US20030096941 Polycarbonates, polyester carbonates and polyesters having branched terminal groups
05/22/2003US20030096940 Copolymers of monocyclic esters and carbonates and methods for making same
05/21/2003EP1312632A1 Use of catalysts for the preparation of aliphatic oligocarbonate-polyols
05/21/2003EP1165218B1 Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device
05/21/2003CN1419576A Method for improving the adhesion stability of the surface of moulded parts consisting of synthetic material
05/21/2003CN1109073C Aroamtic polycarbonate resin composition
05/20/2003US6566563 Reacting a diol (e.g., a polyether or ester diol) with dimethyl carbonate to form a polycarbonate and distilling off the CH3OH; titanium catalyst used is then deactivated with phosphoric acid; may be used to form polyurethanes
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