Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds › C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
Patents for C08G 64 - Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule (9,881)
11/2003
11/11/2003US6646097 Method for purifying 1,1-bis(4′-hydroxy-3′-methylphenyl)cyclohexane and methods of producing polycarbonates therefrom
11/11/2003US6646096 Method for controlling the manufacture of polycarbonate and the polycarbonate formed thereby
11/06/2003WO2003090922A1 Process for producing polycarbonate
11/06/2003US20030208027 A stable, continuous melt reaction system for preparing a free hydroxyl-containing polycarbonate and reacting it with a mixture of a symmetrical optionally activated aromatic carbonic acid diester or diol; optical storage media
11/06/2003US20030207050 Polymeric substrate for display and light emitting devices
11/05/2003EP1359195A1 Aromatic-aliphatic copolycarbonate resin composition
11/05/2003EP1359178A1 Process for the preparation of a liquid formulation of phosphonium phenolates
11/05/2003EP1359177A1 Preparation and use of high molecular aliphatic polycarbonates
11/05/2003EP1359176A2 Polycarbonates, polyestercarbonates and polyesters having specific branched endgroups
11/05/2003EP1358247A2 Melt polycarbonate catalyst systems
11/05/2003EP1358246A2 Melt polycarbonate catalyst systems
11/05/2003CN1454239A Polycarbonate having excellent hydrolytic stability
11/05/2003CN1126773C Process for producing aromatic polycarbonate
10/2003
10/30/2003WO2003089495A1 Aromatic polycarbonate, process for producing the same, polycarbonate composition and hollow container therefrom
10/30/2003WO2003076489A3 Polycarbonate-siloxane copolymers
10/30/2003US20030204116 Process for the production of phosphonium phenolates
10/30/2003US20030204042 Production and use of high molecular weight aliphatic polycarbonates
10/29/2003CN1452645A Method for isolating polymer resin from solution slurries
10/29/2003CN1452642A Method for preparation of polycarbonates
10/28/2003US6639043 Azonaphthalene sulfonates as polymerization catalysts
10/23/2003WO2003087190A1 Method of preparing polyestercarbonates
10/23/2003WO2003087030A1 Processes for producing carbonic ester and producing polycarbonate
10/23/2003US20030199665 Controlling molecular weight and viscosity of aromatic polycarbonates, by measuring monomers supplied to chemical reactors, using analyzers; condensation polymerization
10/23/2003US20030198881 Electroconductive support and a photoconductive layer which is formed thereon and contains at least one resin of a polyurethane resin, a polyester resin, or a polycarbonate resin, each resin having at least a structural unit of
10/22/2003EP1354910A2 Thermoplastic polymer filled pastes
10/22/2003EP1353985A2 Polyester bottle resins having reduced frictional properties and methods for making the same
10/22/2003EP1353971A2 Melt polycarbonate catalyst systems
10/22/2003CN1451022A Method for making siloxane copolycarbonates
10/22/2003CN1450099A Method for preparation of stabilized polycarbonate
10/22/2003CN1450072A Storage of phosphonium phenolate catalysts and their use as interesterification catalysts
10/22/2003CN1449866A Inorganic intercalation nano catalyst and preparation process thereof
10/21/2003US6635710 Manufacturing method for polycarbonate
10/16/2003US20030195329 Aromatic polycarbonate, composition thereof , and use
10/16/2003US20030195326 Melt polycondensing a carbonic acid diester and a dihydroxy compound in the presence of a catalytic alkali metal and/or alkaline earth metal to thereby yield a polycarbonate, and incorporating by weight of a phosphite compound
10/15/2003EP1352925A1 Method for the preparation of stabilized polycarbonate
10/15/2003EP1352909A1 Storage of phosphoniumphenolate catalysts and their use as catalysts for transesterification
10/15/2003EP1141080B1 Use of oligomeric iodinated polycarbonates
10/15/2003CN1449428A Branched carbonate polymer composition
10/15/2003CN1449422A Improved method for production of poly(trimethylene carbonate)
10/15/2003CN1449367A 1,1-bis(4-hydroxyphenyl)-3-alkylcyclohexanes, method for their preparation and polycarbonates prepared therefrom
10/15/2003CN1124301C Manufacturing method for polycarbonate
10/14/2003US6632891 Flame-retardant resin, composition thereof, and process for producing the same
10/09/2003WO2003082953A1 Recycle process for polycondensation resins
10/09/2003WO2003082952A1 Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate
10/09/2003WO2003082951A1 Copolycarbonate and heat-resistant part comprising the copolymer
10/09/2003WO2003082950A1 Copolycarbonate compositions, and related articles and processes
10/09/2003WO2003082797A1 A low corrosive integrated process for preparing dialkyl carbonates
10/09/2003US20030191220 Process for the preparation of stabilized polycarbonate
10/09/2003US20030191016 Storage of phosphonium phenolate catalysts and their use as interesterification catalysts
10/09/2003US20030190472 Disoslving thermoplastic resin in solvent; spray drying
10/08/2003EP1349884A2 Methods of post-polymerisation extruder injection in condensation polymer production
10/08/2003EP1203043B1 Oligomeric bischlorocarbonic acid esters obtained from selected cycloaliphatic bisphenols and other bisphenols
10/08/2003CN1447829A Method for producing polycarbonate and products thereof
10/08/2003CN1447828A Reactive rectification
10/07/2003US6630563 Oligocarbonates produced by catalytic transesterification of diaryl carbonate with dihydroxyaryl compound; enables continuous formation of free films
10/07/2003US6630562 Polycarbonate resin
10/07/2003US6630525 Comprising residues of; dihydric phenol; and a siloxane functional bisphenol, optionally, a branching agent and optionally, a flame retardant
10/02/2003WO2003080706A1 Polycarbonate having a high extensional viscosity
10/02/2003WO2003080317A1 Plastic container having a homogenous wall thickness
10/02/2003US20030187180 Copolycarbonate compositions, and related articles and processes
10/02/2003CA2480274A1 Plastic container having a homogenous wall thickness
10/02/2003CA2480097A1 Polycarbonate having a high extensional viscosity
10/01/2003EP1348003A1 Process for the production of polycarbonate
10/01/2003EP1203044B1 Polycarbonates containing aspartic acid ester-functional silicones
10/01/2003EP1062262B1 Method for producing a liquid formulation of tetraphenylphosphonium phenolate
09/2003
09/25/2003WO2003078502A1 Process for making a modified thermoplastic polyester
09/25/2003US20030181628 Polycarbonate with high extensional viscosity
09/24/2003EP0832913B1 Random siloxane copolymer, process for production thereof, and resin composition containing the copolymer
09/24/2003CN1444619A Method for preparing high molecular weight polycarbonate
09/24/2003CN1444618A Method for producing aliphatic oligocarbonate diols
09/24/2003CN1444617A Aromatic polycarbonate, composition thereof and use
09/24/2003CN1122063C Process for improving thermal stability of aliphatic polycarbonate by organic silane
09/18/2003WO2003076489A2 Polycarbonate-siloxane copolymers
09/18/2003US20030176622 Polycarbonate diol having high proportion of primary terminal oh
09/17/2003EP1135329B1 Method of manufacturing phosgene with poor carbon tetrachloride content
09/16/2003US6620906 Purification of polymer solutions used for moldings such as compact or digital versatile disks
09/16/2003US6620902 Melting aromatic dihydroxy compound, a carbonic acid diester; mixing with endcapping agent under hermetic sealing
09/10/2003EP1341837A1 Method for producing polycarbonates
09/10/2003EP1341836A1 Methods of post-polymerization injection in condensation polymer production
09/09/2003US6617467 Polymerizing carbon dioxide with an alkylene oxide in the presence of a catalytic framework material comprising pores and a metal ion with a bidentate organic compound coordinated to the ion
09/04/2003US20030166826 Process for producing an aromatic polycarbonate
09/03/2003EP1339775A1 Resin preheating for steam percipitation jet polycarbonate resin isolation
09/03/2003EP1242501B1 Polyether carbonates
09/03/2003EP0991693B1 Biphasic polymerization process
09/03/2003CN1120048C Carried binary zine carboxylate catalyst and its preparing method
09/02/2003US6613869 Containers made of a branched polycarbonate
09/02/2003US6613868 Process for producing polycarbonates
09/02/2003US6613128 Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt
08/2003
08/28/2003WO2003070805A1 Hydrolytically degradable alkylene oxide based polymers
08/28/2003WO2003020793A3 Process for preparing polycarbonate
08/28/2003US20030162940 Interlinked solid polyethylene glycols and copolymers thereof
08/28/2003US20030162861 Bioresorbable hydrogel compositions for implantable prostheses
08/28/2003US20030162653 Two step production of polycarbonates
08/27/2003EP1227881A4 Process and equipment for preparing aromatic polycarbonate
08/27/2003CN1119226C Device and method for degassing plastics, especially polycarbonate solutions of high molecular weight
08/26/2003US6610814 Minimizing the amount of Fries product formation; tartaric acid ligand
08/26/2003US6610813 Highly-halogenated low optical loss polymer
08/21/2003WO2003068863A1 Aromatic polycarbonate resins for optical disk substrates
08/21/2003US20030156377 Film as a dielectric in capacitors and process for its production
08/21/2003US20030154859 Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt
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