| 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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| 02/20/2003 | WO2003014186A1 Aliphatic polycarbonate homopolymers and copolymers produced by double metal cyanide catalysis |
| 02/20/2003 | WO2001025310A8 Alkali metal salts of oxoacids of sulfur as catalysts for the preparation of polycarbonates |
| 02/20/2003 | CA2455996A1 Aliphatic polycarbonate homopolymers and copolymers produced by double metal cyanide catalysis |
| 02/19/2003 | CN1398276A Method for prodn. of highly pure polycarbonate and ultrapure polycarbonate |
| 02/19/2003 | CN1398275A Method and appts. for producing aromatic polycarbonate |
| 02/19/2003 | CN1397582A Prepn. of copolymer carbonic ester |
| 02/13/2003 | WO2002036659A3 Highly-halogenated low optical loss polyester |
| 02/13/2003 | US20030032831 Reacting aromatic monohydroxy compound with carbon monoxide and oxygen in presence of palladium, redox catalyst, heteropoly acid, and quaternary ammonium or phosphonium salt; carbonation, dehydration |
| 02/13/2003 | US20030032761 Aliphatic polycarbonate homo-and co-polymers produced by DMC catalysis and the process for their production |
| 02/13/2003 | US20030032760 Excellent color stability and moldability, particularly well suited to use in optical disk substrates |
| 02/12/2003 | EP1165302B1 Device and method for degassing plastics, especially polycarbonate solutions of high molecular weight |
| 02/12/2003 | CN1396193A Biodegradable ternary copolymer of polycarbonate, polyester and polyether and its preparing process |
| 02/12/2003 | CN1396192A Biodegradable ternary copolymer of polycarbonate and its preparing process |
| 02/11/2003 | US6518391 Partially crystalline precursor polycarbonates bearing ester-substituted terminal groups occurs at useful reaction rates despite their high level of endcapping |
| 02/06/2003 | WO2003010221A1 Process for the preparation of crystalline polycarbonate oligomers |
| 02/06/2003 | WO2003010220A1 Extrusion method for making polycarbonate |
| 02/06/2003 | WO2003010219A1 Method of polycarbonate preparation by solid state polymerization |
| 02/06/2003 | WO2003010218A1 Method of polycarbonate preparation |
| 02/06/2003 | WO2002064663A3 Melt polycarbonate catalyst systems |
| 02/06/2003 | WO2002008165A3 Phenolic compounds, and polymers derived therefrom |
| 02/06/2003 | US20030027973 Exhibits a flow behavior similar to that of a linear polycarbonate of comparable molecular weight obtained by the interface polymerization process. |
| 02/06/2003 | US20030027971 More than 35 mole % of units derived from dihydroxydiphenylene and the rest from an alkylidene or cycloalkylidene bisphenol; prepared by melt transesterification; used to prepare transparent moldings |
| 02/06/2003 | US20030027941 Aromatic polycarbonate, process for producing the same, and composition containing the same |
| 02/06/2003 | US20030027905 Prepared by reacting a bisphenol, a 3-(hydroxyphenyl)propyl-encdcapped short chain polysiloxane and an at least trifunctional carboxylic or hydroxy compound branching agent |
| 02/06/2003 | CA2449088A1 Process for the preparation of crystalline polycarbonate oligomers |
| 02/05/2003 | EP1280845A1 Method for isolating polymer resin from solution slurries |
| 02/05/2003 | CN1395592A Aromatic polycarbonate, process for producing the same, and composition containing the same |
| 02/05/2003 | CN1395591A Polycarbonate substrates |
| 02/05/2003 | CN1100581C Method for isolating polymers from solutions |
| 02/04/2003 | US6515098 Vibration damping monolithic polymers |
| 01/30/2003 | WO2003008501A1 Transparent, fire-resistant polycarbonate compositions |
| 01/30/2003 | WO2003008481A2 Process for preparing polycarbonate and apparatus for preparing polycarbonate |
| 01/30/2003 | WO2002060855A3 Process for the production of polycarbonate |
| 01/30/2003 | US20030023109 Low corrosive integrated process for preparing dialkyl carbonates |
| 01/30/2003 | US20030023030 Working up of polymer sysnthesis solutions |
| 01/30/2003 | US20030023024 Polycarbonate and resin composition |
| 01/30/2003 | US20030023023 Hydrolytically degradable polymers and hydrogels made therefrom |
| 01/29/2003 | EP1017755B1 Coatings with a cholesteric effect and method for the production thereof |
| 01/23/2003 | WO2003006527A1 Process for producing polycarbonate oligomer and process for producing polycarbonate resin from the same |
| 01/23/2003 | WO2002057337A3 Method for controlling the manufacture of polycarbonate and the polycarbonate formed thereby |
| 01/23/2003 | US20030018162 Method of preparation for a degradable, water and oil resistant protective membrane |
| 01/23/2003 | US20030018159 Continuous process for the preparation of copolycarbonate resins |
| 01/22/2003 | EP1277781A2 Process for preparing copolycarbonates |
| 01/22/2003 | EP1277780A1 Treatement of polymer solutions after synthesis |
| 01/22/2003 | EP1277779A1 Process for producing aliphatic polyester carbonate |
| 01/22/2003 | CN1392884A Process for producing aromatic polycarbonate and method for storing raw materials |
| 01/21/2003 | US6509435 Heat resistance, stability; moldings |
| 01/16/2003 | WO2003005354A1 Vibration damping monolithic polymers |
| 01/16/2003 | WO2003005130A1 Xerographic photoreceptor co-binder compositions |
| 01/16/2003 | WO2002060976A3 Optimization of polycarbonate preparation by transesterification |
| 01/16/2003 | US20030013839 Polycarbonate having pronounced shear thinning behavior |
| 01/16/2003 | US20030013837 Method for producing phosphonium phenolates |
| 01/16/2003 | US20030013836 Resin composition and articles molded therefrom |
| 01/16/2003 | US20030013833 Highly-halogenated low optical loss polymer |
| 01/16/2003 | US20030013788 Melt polycarbonate with improved resistance to hydrolysis |
| 01/15/2003 | EP1275694A1 Aromatic polycarbonate composition, process for producing the same, and molded article thereof |
| 01/15/2003 | EP1275677A1 Aromatic polycarbonate, process for producing the same, and composition containing the same |
| 01/15/2003 | EP1274798A1 Polycarbonate having excellent hydrolytic stability |
| 01/15/2003 | EP1274763A1 Process for redistribution of polycarbonate |
| 01/15/2003 | EP1274762A1 Polycarbonate preparation process |
| 01/15/2003 | EP0885912B1 Polycarbonate having heterounits and method for producing the same |
| 01/15/2003 | CN1391591A Copolycarbonate preparation by solid state polymerization |
| 01/15/2003 | CN1390872A Polycarbonat with branching end group, polyester carbonate and polyester |
| 01/15/2003 | CN1098880C Polysilanes and process for producing same |
| 01/14/2003 | US6506871 Extrusion method for making polycarbonate |
| 01/14/2003 | US6506870 Transesterified dihydroxy aromatic compound and carbonic diester; chlorine-free |
| 01/14/2003 | US6506281 Method for isolating polymers from solutions |
| 01/09/2003 | WO2003002630A2 Method for the production of aliphatic oligocarbonate diols |
| 01/09/2003 | US20030009060 As starting materials for the production of liquid crystals, polymers and flame retardants |
| 01/09/2003 | US20030009047 Reacting an aliphatic diol with dimethyl carbonate (DMC) at an elevated pressure in a reaction mixture, removing unreacted methanol and dimethyl carbonate under a reduced pressure to uncap the terminal hydroxyl group |
| 01/09/2003 | US20030009003 Polyether carbonates |
| 01/09/2003 | US20030009002 Polycarbonates for optical use, and their applications |
| 01/09/2003 | US20030008965 Polycarbonate resin composition |
| 01/08/2003 | EP1273646A1 Coatings with a cholesteric effect and method for the production thereof |
| 01/08/2003 | EP1272543A1 Method for making siloxane copolycarbonates |
| 01/08/2003 | EP1220851A4 Carbon dioxide-philic compounds and methods of synthesis thereof |
| 01/08/2003 | CN1390239A Method for producing polycarbonate |
| 01/08/2003 | CN1098292C Two-steps process for production of thermoplastic polycarbonate |
| 01/07/2003 | US6504002 Melt strength |
| 01/07/2003 | US6504000 Process for preparing polycarbonate |
| 01/03/2003 | WO2003000641A1 Integrated process for preparing dialkyl carbonates with a circulating catalyst |
| 01/03/2003 | WO2002055583A3 Melt polycarbonate catalyst systems |
| 01/03/2003 | WO2002048241A3 Polysulfone/polysiloxane polycarbonate block copolymers |
| 01/02/2003 | US20030004297 Polycarbonate substrates |
| 01/02/2003 | EP1270646A1 Resin composition and articles molded therefrom |
| 01/02/2003 | EP1268615A1 Polycarbonate isolation through homogenization devolatization |
| 01/02/2003 | EP1268607A1 Method for improving the adhesion stability of the surface of moulded parts consisting of synthetic material |
| 01/02/2003 | EP1268606A1 Method for preparation of polycarbonates |
| 01/02/2003 | EP1268605A1 Salts of non-volatile acids as polymerization catalysts |
| 01/01/2003 | CN1388905A 塑料透镜 Plastic lens |
| 01/01/2003 | CN1388812A Process for production of polycarbonate |
| 01/01/2003 | CN1388811A Process for preparation of moltem mixtures of aromatic hydroxyl compounds and carbonic diesters |
| 01/01/2003 | CN1097618C Aromatic polycarbonate composition |
| 01/01/2003 | CN1097472C Method for evaporating polymer solutions of thermoplastic polymers |
| 12/31/2002 | US6500914 Melt transesterification of free hydroxyl terminal groups with a diaryl carbonate |
| 12/31/2002 | US6500890 Polyester bottle resins having reduced frictional properties and methods for making the same |
| 12/27/2002 | WO2002102877A1 N-alkylaziridine prepolymers as a dental material |
| 12/27/2002 | WO2002102875A2 Polymers comprising cf2o structural elements |
| 12/27/2002 | WO2002051616A8 Methods of post-polymerisation extruder injection in condensation polymer production |
| 12/26/2002 | US20020197441 Storage medium for data |