| 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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| 02/25/1999 | WO1999008718A2 Bioresorbable compositions for implantable prostheses |
| 02/18/1999 | DE19734644A1 Extracting fully dissolved polyalkylene carbonate from solution |
| 02/17/1999 | EP0896975A1 Polycarbonate, and molding and electrophotographic photoreceptor prepared therefrom |
| 02/16/1999 | US5872882 Non-linear optical polycarbonates |
| 02/11/1999 | WO1999006465A1 Copolycarbonates with an indan bisphenol base |
| 02/11/1999 | WO1999006464A1 Copolycarbonates with an idane bisphenol base |
| 02/11/1999 | DE19727351C1 Verfahren zur Herstellung von Phosphoniumphenolaten A process for preparing phosphonium |
| 02/10/1999 | EP0896013A1 Crosslinked polycarbonate and polylactic acid composition containing the same |
| 02/04/1999 | DE19733570A1 Copolymerisate auf Basis von Indanbisphenolen Copolymers based on Indanbisphenolen |
| 02/04/1999 | DE19733569A1 Copolycarbonate auf Basis von Indanbisphenolen Copolycarbonates based on Indanbisphenolen |
| 02/03/1999 | EP0894816A1 Polycarbonate resin for substrate of optical recording medium |
| 01/27/1999 | CN1206425A Polycarbonate comprising different kinds of bonding units and process for preparation thereof |
| 01/27/1999 | CN1041837C Process for preparation of water-soluble and biodegradable products |
| 01/26/1999 | US5864006 Crystallizing in solvent and diluent |
| 01/26/1999 | US5863992 Bisphenol a for polycarbonates |
| 01/21/1999 | WO1999002579A1 Method for producing polycarbonate |
| 01/20/1999 | EP0892010A2 Boron containing polycarbonate composition |
| 01/20/1999 | EP0892001A1 Method for producing an aromatic polycarbonate having improved melt stability |
| 01/20/1999 | CN1205344A Method for producing aromatic polycarbonate having improved melt stability |
| 01/14/1999 | WO1999001495A1 Method for producing branched polycarbonates |
| 01/13/1999 | EP0890944A1 Digital video disk substrate |
| 01/13/1999 | EP0890596A1 Process for the preparation of poly (arylcarbonate)s |
| 01/13/1999 | EP0504410B1 Polycarbonate, use thereof, production thereof, and purification thereof |
| 01/12/1999 | US5859172 Polycarbonate made from specified monomer admixed with an acidic compound and an epoxy compound; hardness |
| 01/12/1999 | US5858499 Polycarbonate copolymer containing oxaspiroundecane group and production process therefor |
| 01/07/1999 | WO1999000444A1 Functionalized poly(alkylene carbonate), and use thereof |
| 01/07/1999 | WO1999000442A1 Biphasic polymerization process |
| 01/07/1999 | WO1999000395A1 Method for producing phosphonium phenolates |
| 01/07/1999 | DE19728805A1 Verfahren zur Herstellung von Polycarbonat A process for the production of polycarbonate |
| 01/07/1999 | DE19727709A1 Verfahren zur Herstellung von verzweigten Polycarbonaten A process for the preparation of branched polycarbonates |
| 01/07/1999 | CA2294868A1 Method for producing phosphonium phenolates |
| 01/05/1999 | US5856012 Branched polycarbonates |
| 12/30/1998 | WO1998059005A2 Use of polycarbonates containing iodine phenyl carbonate for producing special shaped parts |
| 12/30/1998 | CA2294390A1 Use of polycarbonates containing iodine phenyl carbonate for producing special shaped parts |
| 12/29/1998 | US5854382 Bioresorbable compositions for implantable prostheses |
| 12/29/1998 | US5854374 Phosphonium borohydride compound and process for producing polycarbonate using said compound |
| 12/23/1998 | WO1998058004A1 Water-compatible urethane-containing amine hardener |
| 12/23/1998 | EP0885912A1 Polycarbonate comprising different kinds of bonding units and process for the preparation thereof |
| 12/23/1998 | CN1202505A Reducing ionic impurities content in aromatic polycarbonate resins |
| 12/22/1998 | US5852157 Process for the production of polycarbonate agglomerate |
| 12/22/1998 | US5852156 Polycarbonate composition |
| 12/16/1998 | CN1201782A Diaminoalkyl quaternary ammonium salts and method for their preparation and use |
| 12/15/1998 | US5849859 Polyesters |
| 12/15/1998 | US5849414 Production of scratch-resistant polycarbonate moulded parts |
| 12/15/1998 | CA1340185C Condensation polymer containing the residue of a polymethine compound and shaped articles produced therefrom |
| 12/10/1998 | WO1998055531A2 Process for the preparation of copolyesters |
| 12/10/1998 | DE19723807A1 Verfahren zur Herstellung von Copolyestern A process for preparing copolyesters |
| 12/09/1998 | EP0882751A2 Biodegradable polyester with improved moulding characteristics and its production |
| 12/08/1998 | US5847196 Oxanilide U-V absorbers |
| 12/08/1998 | US5847069 Process for the preparation of polycarbonate copolyether polyols |
| 12/03/1998 | WO1998054242A1 Silicon-based polycarbonates |
| 12/03/1998 | WO1998054240A1 Process for the preparation of aromatic polycarbonate |
| 12/02/1998 | EP0880553A1 Increasing the molecular weight of polycondensates |
| 11/25/1998 | CN1200131A Process for preparing aromatic polycarbonate |
| 11/24/1998 | US5840826 Process for preparing aromatic polycarbonate |
| 11/24/1998 | US5840454 Aromatic polycarbonate and electrophotographic photosensitive medium using same |
| 11/18/1998 | EP0778859B1 Production of scratch-resistant polycarbonate moldings |
| 11/18/1998 | EP0675875B1 Copolymerizable ultraviolet radiation absorbing coumpounds and polymers made therewith |
| 11/18/1998 | CN1199410A Coated plastic substrate |
| 11/17/1998 | US5837032 Polymer separators for gases |
| 11/11/1998 | EP0877043A2 High melting fast crystallizing copolymer compositions |
| 11/11/1998 | EP0877014A2 Diaminoalkylene quaternary ammonium salts, method for their preparation and use |
| 11/11/1998 | EP0877013A1 Polycarbonates, uses thereof, processes for preparing and purifying same |
| 11/11/1998 | CN1198443A High melting point quick crystallized copolymerized composition |
| 11/05/1998 | DE19718724A1 Polymer recovery from solution |
| 11/04/1998 | EP0874643A2 Bioresponsive pharmacologically-active polymers and articles made therefrom |
| 11/03/1998 | US5830980 From (diarylamino)benzylidenediphenols and bis/chloroformates |
| 11/03/1998 | US5830977 Process for the isolation of partially crystalline polycarbonate powder |
| 10/29/1998 | WO1998047938A1 Process for producing polycarbonate resin |
| 10/29/1998 | DE19717371A1 Propargyl-terminated nematic or cholesteric polymers |
| 10/27/1998 | US5827927 Rigid polymer rods and macromonomers with reactive end groups for reinforcement |
| 10/22/1998 | WO1998046662A1 Synthesis of polycarbonates using co¿2? |
| 10/21/1998 | EP0872507A2 Process for the preparation of polycarbonates by melt-polycondensation |
| 10/20/1998 | US5824744 Rigid polymer rods and macromonomers with reactive end groups for reinforcement |
| 10/15/1998 | WO1998045351A1 Method of making polycarbonate prepolymer and method of making high molecular weight polycarbonate |
| 10/15/1998 | WO1998045246A1 Salicylic ester derivatives and process for producing the same |
| 10/14/1998 | EP0870791A2 Reducing ionic impurities content in polycarbonate resins |
| 10/14/1998 | EP0651772B1 Thiodiphenol copolycarbonates and their use as components of multilayered polymeric reflective bodies |
| 10/13/1998 | US5821322 Diaminoalkyl quaternary ammonium salts and method for their preparation and use |
| 10/13/1998 | US5821321 Molding composition having improved impact strength |
| 10/06/1998 | US5817729 Vapor precipitation of polymers from solvent polymer blends by azeotropic spray drying |
| 10/06/1998 | US5816697 Viscous liquid stirring device and a process for producing polycarbonate by using the stirring device |
| 10/06/1998 | CA2168630C Method for producing an aromatic polycarbonate |
| 09/30/1998 | EP0867459A1 Process for preparing aromatic polycarbonate |
| 09/30/1998 | EP0734406B1 Polyglycerol production |
| 09/30/1998 | CN1194656A Process for producing aromatic polycarbonate resin |
| 09/23/1998 | EP0866083A1 Polycarbonate resin, crosslinked polycarbonate resin and electrophotographic photoreceptor |
| 09/16/1998 | EP0864599A2 Process for preparing polysiloxane-polycarbonate block cocondendates |
| 09/16/1998 | EP0864597A1 Processes for the production of polycarbonate |
| 09/16/1998 | EP0864361A2 Poly(zinc carboxylate) catalysts for production of polyalkylene carbonates |
| 09/16/1998 | EP0863946A1 Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide) |
| 09/16/1998 | CN1193279A Hyperbranched polymers |
| 09/15/1998 | US5807966 Increase in molecular weight of polycondensates |
| 09/15/1998 | US5807964 Process for the preparation of polycarbonates |
| 09/15/1998 | US5807963 Radiation resistant |
| 09/15/1998 | US5807962 Aromatic sulfonated diester monomer, process to synthesize, polymer derived therefrom and method to prepare said polymer |
| 09/15/1998 | US5807932 Increasing the molecular weight of polycondensates |
| 09/15/1998 | US5807912 Purification; heating |
| 09/10/1998 | DE19708831A1 Precipitation of polymers from solution in solvent |
| 09/08/1998 | US5804525 Method for making polycarbonates |