Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881) |
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12/05/2000 | US6156866 Chiral nematic polycarbonates |
11/28/2000 | US6153722 Molecule comprises at least one stabilizer comonomer from the group consisting of uv absorbers and antioxidants. |
11/23/2000 | WO2000069947A1 Method for quenching of polycarbonate and compositions prepared thereby |
11/22/2000 | EP1054031A2 Increasing the molecular weight and modification of condensation polymers |
11/16/2000 | WO2000068293A1 Method for obtaining oxacarbonyl polymers, functionalisation, resulting polymers and functionalising agent |
11/14/2000 | CA2004392C Mixtures of poly(alkylene carbonate) polyols and polymers of ethylenically unsaturated esters |
11/08/2000 | CN1058271C One-step synthetic optical disk grade polycarbonate |
11/07/2000 | US6143859 Copolycarbonate preparation by solid state polymerization |
11/02/2000 | WO2000064671A1 Uv-stabilized polymeric structures |
11/02/2000 | WO2000064554A1 Method and device for evaporating polymer solutions of thermoplastic polymers, and a polycarbonate which can be obtained by evaporation |
11/02/2000 | EP1048685A1 Process and polymerizer for producing aromatic polycarbonate |
11/02/2000 | EP1048684A1 Process for producing polycarbonate and optical-disk substrate |
10/31/2000 | US6140461 Wetting polycarbonate particles with an alkanol; heating the resulting wetted particles to produce an enhanced crystallinity precursor polycarbonate and effect solid state polymerization thereof |
10/31/2000 | US6140457 Static-resistant polycarbonates having DI-t-alkylphenyl end groups |
10/26/2000 | WO2000063275A1 Branched aromatic polycarbonate, process for producing the same, and blow-molded article thereof |
10/25/2000 | EP0991697A4 Functionalized poly(alkylene carbonate), and use thereof |
10/24/2000 | US6136946 Ester interchange with heating in presence of basic oxide catalyst |
10/24/2000 | US6136945 Method for quenching of polycarbonate and compositions prepared thereby |
10/24/2000 | US6136521 Polycarbonate, and molding and electrophotographic photoreceptor prepared therefrom |
10/17/2000 | US6133402 Catalyst having a zinc center and two ligands where one of the ligands is a propagating group and the other is not; polycarbonates from carbon dioxide and (cyclo)alkylene oxide |
10/17/2000 | US6133394 Method for the preparation of organofunctional organopentasiloxane, organic resin modifier and organic resins |
10/12/2000 | WO2000059984A1 Optical quality polycarbonates with reduced static charge and method for making same |
10/12/2000 | WO2000059983A1 Process for producing polycarbonate |
10/11/2000 | EP1042374A2 Method for hydrogenating aromatic polymers |
10/05/2000 | WO2000058386A1 Batch process for the production of polycarbonate by interfacial polymerization |
10/05/2000 | WO2000058385A1 Highly branched polycondensates |
10/05/2000 | WO2000058072A1 Device and method for degassing plastics, especially polycarbonate solutions of high molecular weight |
09/28/2000 | WO2000056801A1 Method for quenching residual catalyst in the production of polycarbonate |
09/28/2000 | DE19914143A1 Vorrichtung und Verfahren zum Entgasen von Kunststoffen, insbesondere von hochmolekularen Polycarbonatlösungen Apparatus and method for degassing of plastics, especially of high-molecular polycarbonate solutions |
09/28/2000 | DE19913533A1 Hochverzweigte Polykondensate Highly branched polycondensation |
09/27/2000 | CN1268148A Branched polycarbonate resin and process for the preparation thereof |
09/26/2000 | US6124422 Combining intermediate polycarbonate containing alkaline catalyst with a powder-free acidic alkyltoluenesulonate quancher to quench the residual basic catalyst |
09/21/2000 | WO2000055851A1 Polycarbonates derived from alicyclic bisphenols |
09/21/2000 | WO2000055237A1 Polycarbonates suitable for use in optical articles |
09/21/2000 | DE19910975A1 Carbonatgruppen enthaltende, mit linearen Polyestern modifizierte Polysiloxane und ihre Verwendung als Zsatzstoffe in Beschichtungen Containing carbonate groups, with linear polyesters modified polysiloxanes and their use as coatings in Zsatzstoffe |
09/20/2000 | EP1036057A1 Radio-opaque polymer biomaterials |
09/19/2000 | US6121452 Process for the preparation of quinophthalones |
09/19/2000 | US6120491 Selective removal of benzyl esters to form pendent carboxylic acid groups by palladium-catalyzed hydrogenolysis from poly-arylates and polycarbonates in a tertiary-amide solvent; kinetics; surgical barriers; implant coatings; drug delivery |
09/14/2000 | WO2000054103A1 Chiral polymer compositions exhibiting nonlinear optical properties |
09/13/2000 | EP1035153A2 With linear polyester modified carbonate-group containing polysiloxanes and their use as coating additives |
09/13/2000 | EP1035151A1 Branched polycarbonate resin |
09/13/2000 | EP1035150A1 Copolycarbonate and process for producing the same |
09/13/2000 | CN1266443A Carbonic diester, aromatic polycarbonate, production apparatus, and process for production |
09/13/2000 | CN1266442A Preparation of dihydroxydiphenyl-copolycarbonates by melt re-esterfification |
09/12/2000 | US6117969 Polycarbonate resin compositions |
09/09/2000 | CA2297504A1 Polysiloxanes containing carbonate groups and modified with linear polyesters and their use as additives in coatings |
09/08/2000 | WO2000052077A1 Process for producing polycarbonate |
09/08/2000 | WO2000052076A1 Polycarbonate resin |
09/08/2000 | WO2000051964A1 Method for preparing hydroxyaromatic chloroformates |
09/08/2000 | CA2300225A1 Chiral polymer compositions exhibiting nonlinear optical properties |
09/07/2000 | DE19859690C1 Polycarbonate used for substrates for optical data storage is prepared from phosgene and sodium bisphenolate with the exclusion of oxygen in an interphase process |
09/06/2000 | EP1033381A1 Process for producing polycarbonate |
09/06/2000 | CN1265686A Copolycarbonates with idane bisphenol base |
09/06/2000 | CN1265685A Copolycarbonates with indan bisphenol base |
09/05/2000 | US6114474 Process for deactivating polycarbonate catalyst residues |
08/31/2000 | WO2000050489A1 Method for quenching of catalyst in the production of low molecular weight polycarbonates |
08/31/2000 | WO2000050488A1 STATIC-RESISTANT POLYCARBONATES HAVING DI-t-ALKYLPHENYL END GROUPS |
08/31/2000 | DE19905572A1 Vorrichtung zum Mischen und Reagieren mehrphasiger gasförmiger und flüssiger Gemische und Verwendung dieser Vorrichtung A device for mixing and reacting multiphase gaseous and liquid mixtures and the use of this device |
08/30/2000 | CN1265120A Process for prepn. of aromatic polycarbonate |
08/24/2000 | WO2000049065A1 Addition of treatment agents to solid phase polymerization processes |
08/24/2000 | WO2000026276A3 Method of manufacturing polycarbonates |
08/24/2000 | CA2359082A1 Addition of treatment agents to solid phase polymerization processes |
08/23/2000 | EP1029021A1 Cholesteric oligomers with cross-linked end groups |
08/23/2000 | EP1028991A1 Strictly alternating poly(alkylene oxide ether) copolymers |
08/23/2000 | EP1028774A1 Biodegradable, anionic polymers derived from the amino acid l-tyrosine |
08/22/2000 | US6107440 Aromatic polycarbonate composition |
08/22/2000 | US6106918 Optical quality polycarbonates |
08/17/2000 | WO2000047653A1 Additive-containing molded resin and process for producing the same |
08/17/2000 | WO2000047314A1 Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device |
08/16/2000 | EP1028137A2 Polymeric matrices and their uses in pharmaceutical compositions |
08/15/2000 | US6103855 Charging dihydroxy compound, inert solvent, water, caustic, carbonyl halide, and catalyst to a vessel, maintaining ph of the reaction mixture between 4 and 12 during charging, activating reaction system that produces chloroformates |
08/15/2000 | US6103854 Polymer having a polycarbonate and/or a polyarylate moiety as a main frame and having a metal alkoxide group as a functional group, is hydrolyzed and polycondensed to form crosslinkages; heat resistance, hardness, strength |
08/15/2000 | US6103837 Reacting at least one polycarbonate and/or dicarbonate of a diol and, if needed, at least one diester of a dicarboxylic acid with at least one specified silicon compound in the presence of an esterifying or ester exchange catalyst |
08/10/2000 | DE19904408A1 Polycarbonate used for substrates for optical data storage is prepared from phosgene and sodium bisphenolate with the exclusion of oxygen in an interphase process |
08/09/2000 | EP1026191A1 Flame retardant compounds, process for their production and flame-retarded organic polymer materials |
08/09/2000 | EP1024898A1 Composition based on a grafted metal oxide, preparation and use in a polymerisation method by opening oxygenated cycles |
08/08/2000 | US6100372 Monocarboxylic acid-terminated polymers of carbon dioxide and an alkylene oxide |
08/08/2000 | US6100367 Coating agent, method of preparing same, and coating material |
08/08/2000 | CA2068878C Polycarbonates, uses thereof, processes for preparing and purifying same |
08/03/2000 | WO2000044811A1 Method for preparing polycarbonates of enhanced crystallinity |
08/03/2000 | WO2000044810A1 Method for preparing copolycarbonates of enhanced crystallinity |
08/03/2000 | WO2000009578A9 Method and materials for fabrication of alumoxane polymers |
08/02/2000 | EP1023357A1 Preparation of dihydroxydiphenyl-copolycarbonates by melt re-esterification |
08/02/2000 | CN1261903A Method for producing polycarbonate |
08/02/2000 | CN1261902A Method for producing branched polycarbonates |
08/01/2000 | US6096852 UV-stabilized and other modified polycarbonates and method of making same |
07/27/2000 | WO2000043436A1 Polycarbonate resin for formed article, method for production thereof and container/carrier for semiconductor product using the same |
07/26/2000 | CN1261368A Method for producing phosphonium phenolates |
07/25/2000 | US6093785 Ductility, melt processability; optics |
07/25/2000 | US6093784 Electrophotographic photoconductor and polycarbonate resin for use therein |
07/20/2000 | WO2000042088A1 Polycarbonate resin reduced in release of environmental hormone |
07/19/2000 | EP1020483A2 Process for purifying polycarbonate resin solution |
07/19/2000 | EP1019237A1 Twinscrew extruder, method of making aromatic polycarbonate using a twinscrew extruder, and method of removing volatiles from an aromatic polycarbonate melt |
07/19/2000 | EP1019096A2 Bioresorbable compositions for implantable prostheses |
07/19/2000 | EP0824513B1 Improved synthesis of tyrosine-derived diphenol monomers |
07/13/2000 | DE19900554A1 Verfahren zur Herstellung von aliphatischen Oligocarbonatdiolen aus Dimethylcarbonat und aliphatischen Diolen A process for the preparation of aliphatic oligocarbonate diols of dimethyl carbonate and aliphatic diols |
07/12/2000 | EP1018529A1 Process for producing polycarbonates |
07/12/2000 | EP1018528A2 Polycarbonate resin and process for producing the same |
07/12/2000 | EP1018504A1 Process for the preparation of aliphatic oligocarbonatediols from dimethyl carbonate and aliphatic diols |
07/12/2000 | EP1017755A1 Coatings with a cholesteric effect and method for the production thereof |