Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
09/2004
09/22/2004EP1458786A1 Process for preparing branched aromatic polycarbonates
09/22/2004CN1531567A Polycarbonate having pronounced shear thinning behavior
09/22/2004CN1167727C Method for quenching of catalyst in production of low molecular weight polycarbonates
09/16/2004WO2004078838A1 Polycarbonate compositions
09/16/2004WO2004078826A1 Biodegradable alphatic polyester ionomeric resin and its preparing method
09/16/2004WO2004065453A3 Selective modification of pendent functionalities of polymers
09/16/2004US20040180996 Polycarbonate compositions
09/14/2004US6790929 Extrusion grafting an oligomerized polycarbonate in methyl salicylate solution, heating to desolventize; a high level of endcapping, low levels of residual solvent
09/14/2004US6790928 Process for producing polycarbonates
09/14/2004US6790927 Optical polycarbonate and applications thereof
09/14/2004US6790571 Formed from n-(4-(2,2-bis(4-hydroxyphenyl)vinyl)phenyl)-n,n bis(4-tolyl)amine; improved durability; for use in organic electroluminescent device
09/10/2004WO2004076527A1 Polycarbonate prepolymer for solid phase polymerization and process for producing polycarbonate
09/10/2004WO2004076512A2 Transparent and high-heat polycarbonate-polysiloxane copolymers and transparent blends with polycarbonate and a process for preparing same
09/09/2004US20040176537 Inherently electrostatic dissipating block copolymer compositions
09/07/2004US6787629 Dental resin materials, method of manufacture, and uses thereof
09/07/2004CA2062193C Functionalized polymers
09/01/2004EP1451645A1 Xerographic photoreceptor co-binder compositions
09/01/2004EP1451256A1 Articles having a photochromic polymeric coating
09/01/2004EP1088019B1 Methods for removing volatile components from polymer solutions
09/01/2004CN1164643C Polycarbonate production method
09/01/2004CN1164642C Biodegradable ternary copolymer of polycarbonate, polyester and polyether and its preparing process
08/2004
08/31/2004US6784278 Polycarbonates, polyester carbonates and polyesters having branched terminal groups
08/26/2004WO2004041906B1 Preparation method of high molecular weight polycarbonate resin
08/26/2004US20040166283 Polycarbonate substrates
08/26/2004US20040164446 extruding a melt polycarbonate resin having a Fries content of 10 ppm to 2000 ppm; produces a multiwall sheet with excellent uniformity.
08/25/2004EP1448715A1 Flame retardant resinous compositions and method of making the same
08/25/2004EP1448661A1 Reduction of reaction by-products in polycarbonate resins
08/25/2004EP1349884B1 Methods of post-polymerisation extruder injection in condensation polymer production
08/25/2004EP1095960B1 System and process for producing polycondensation polymer
08/25/2004CN1524102A Melt polycarbonate exhibiting an improved resistance to hydrolysis
08/25/2004CN1163538C Method for preparing polycarbonate with enhanced crystallinity
08/25/2004CN1163537C Process for producing polycarbonate
08/24/2004US6780965 Copolycarbonate resin based on cyclohexanediol and bisphenol compound; excellent in flowability, it is suitable for easily molding
08/24/2004US6780961 Converting oligomeric chloroformates to high molecular weight polycarbonate
08/24/2004US6780956 Method of making silicone copolycarbonates having random and blocky substructures
08/19/2004US20040162439 cooling a reaction liquid utilizing vaporization latent heat of an organic solvent to remove vast reaction heat during reaction of a bisphenol compound and phosgene
08/18/2004EP1220851B1 Carbon dioxide-philic compounds and methods of synthesis thereof
08/18/2004CN1522270A Process for producing aliphatic oligocarbonate diols
08/18/2004CN1162459C Solid particles
08/17/2004US6777528 Process for producing polycarbonate resin
08/12/2004US20040158026 Process for the preparation of polycarbonates
08/12/2004US20040158025 Chain extension ; molding materials
08/12/2004US20040158013 Carbon dioxide-philic compounds and methods of synthesis thereof
08/12/2004US20040156949 polyester polymer from two or more different cyclic ester monomers, wherein the cyclic ester monomers have a low glass transition temperature (Tg) and the polyester polymer has a glass transition temperature (Tg)
08/12/2004DE10303881A1 Verfahren zur Herstellung von oligomeren aliphatischen Diolen, darauf basierenden Polycarbonatdiolen und deren Prepolymeren A process for the preparation of oligomeric aliphatic diols, polycarbonate diols and their prepolymers based on them
08/11/2004EP1444287A2 Process for preparing polycarbonate
08/11/2004EP1444286A1 Method and device for producing polyesters, copolyesters and polycarbonates
08/11/2004EP1443896A1 Cosmetic preparation containing polycarbonates
08/11/2004EP1028991B1 Strictly alternating poly(alkylene oxide ether) copolymers
08/11/2004EP1028774B1 Biodegradable, anionic polymers derived from the amino acid l-tyrosine
08/10/2004US6774256 Low corrosive integrated process for preparing dialkyl carbonates
08/05/2004WO2004065454A1 Cyclic polycarbonates and copolycarbonates, production and use thereof
08/05/2004WO2004065453A2 Selective modification of pendent functionalities of polymers
08/05/2004WO2002046272A3 Polycarbonate resin composition for optical applications and methods for manufacture thereof
08/05/2004US20040152861 Process for preparing oligomeric aliphatic diols, polycarbonatediols based thereon and prepolymers thereof
08/05/2004US20040152830 Hydrolytically stable polymer dispersion
08/05/2004US20040149164 N-alkylaziridine prepolymers as a dental material
08/04/2004EP1443066A2 Process for the preparation of oligomeric aliphatic diols, polycarbonatediols prepared using these oligomeric aliphatic diols and their prepolymers.
08/04/2004EP0969031B1 Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium
08/04/2004CN1160414C Polycarbonate substrates
08/04/2004CN1160395C Process and polymerizer for producing aromatic polycarbonate
08/04/2004CN1160394C Branched polycarbonate produced by reactive extrusion
08/03/2004US6770731 Melt polymerized branched polycarbonate with non-newtonian flow behavior: good flowability at high shear rates, and is not less flowable than unbranched polycarbonate at low shear rates
07/2004
07/29/2004WO2004063249A1 Method for producing polycarbonates
07/29/2004WO2004052972A3 Recycle method for polycarbonate resin waste
07/29/2004US20040147713 Reduced flash defects without increasing releasing agent content; minimizing iron and free phenol impurities
07/29/2004US20040147688 Simple, low cost ester side chain deblocking of materials having hydrolytically unstable backbone; dissolving in aqueous ether solvent and acidifying
07/29/2004US20040147655 Discoloration inhibition, purity, molecular weight control; blend with filter and another thermoplastic resin
07/29/2004DE10302088A1 Novel cyclic (co)polycarbonates are obtained in a single step process without the need for production and isolation of bischloroformates
07/28/2004EP1440104A1 Process for the preparation of crystalline polycarbonate oligomers
07/28/2004EP1129058B1 New method for making photocurable halofluorinated acrylates
07/27/2004US6767986 Production and use of high molecular weight aliphatic polycarbonates
07/22/2004WO2004060963A1 Method for the production of polycarbonates
07/22/2004WO2004060962A1 Method of polycarbonate preparation
07/22/2004WO2004037879A3 Monomers containing at least one biaryl unit and polymers and derivatives prepared therefrom
07/22/2004US20040143130 Process for producing aliphatic oligocarbonate diols
07/22/2004US20040143088 Continuous transesterification of diaryl carbonates with aryldiols in the presence of quaternary onium compounds, particularly tetraphenylphosphonium phenolate; final polycondensation stage is effected without the further addition of catalyst
07/22/2004US20040143048 Controlling concentration of release agents
07/22/2004US20040142139 Polycarbonate resin for optical disk substrate and optical disk substrate
07/22/2004US20040142066 Biodegradable chewing gum and method of manufacturing such chewing gum
07/22/2004DE10300598A1 Verfahren zur Herstellung von Polycarbonaten A process for the preparation of polycarbonates
07/21/2004EP1438368A1 Photochromic polymerizable compositions
07/21/2004CN1158352C Polycarbonate formulation and carrier for semiconductor wafers that is opaque to certain light wavelengths
07/21/2004CN1158329C Copolycarbonates with indan bisphenol base
07/21/2004CN1158328C Process for producing polycarbonate resin
07/21/2004CN1158327C Polycarbonate resin and electrophotographic photoconductor using the same
07/15/2004WO2004058892A1 Hydrolytically stable polymer dispersion
07/15/2004US20040137269 Polymeric substrate for display and light emitting devices
07/14/2004EP1436343A1 Method for end-capping polycarbonate resins and composition for use in same
07/14/2004EP1436342A1 Method for end-capping polycarbonate resins and composition for use in same
07/14/2004EP1436341A2 Polycarbonate-siloxane copolymers
07/14/2004CN1513012A Optical polycarbonate and application thereof
07/14/2004CN1157435C Static-resistant polycarbonates having di-t-alkylphenyl end groups
07/13/2004US6762278 Process for the copolymerization of alkylene oxides and carbon dioxide using suspensions of multi-metal cyanide compounds
07/08/2004US20040133024 Siloxane bischloroformates
07/08/2004US20040131960 Electrophotographic photoconductor, image forming method and apparatus, and process cartridge using the photoconductor, and long-chain alkyl group containing bisphenol compound and polymer made therefrom
07/07/2004EP1165653B1 Batch process for the production of polycarbonate by interfacial polymerization
07/07/2004CN1156514C Method for crystallizing polycarbonate prepolymer
07/07/2004CN1156513C Poly (5-substituent-trimethylene carbonate) and its prepn and use
07/07/2004CN1156393C Phosgene with poor carbon tetrachloride content
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