| 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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| 08/10/1999 | US5936047 Molecular weight control |
| 08/05/1999 | WO1999020679A9 Silane functionalized polyaromatic polymers and methods for their production |
| 08/04/1999 | EP0933387A1 Method for preparation of organofunctional pentasiloxane, organic resin modifier and organic resins |
| 08/03/1999 | US5932690 Optical recording elements having recording layers exhibiting reduced bubble formation |
| 08/03/1999 | US5932683 Polycarbonate comprising different kinds of bonding units and process for the preparation thereof |
| 08/03/1999 | US5932677 Terpolymer having aromatic polyester, polysiloxane and polycarbonate segments |
| 07/29/1999 | DE19802660A1 Integrating energy production, waste disposal and chemical synthesis, e.g. of polymer precursors, from carbon dioxide |
| 07/28/1999 | EP0931810A2 Increasing the molecular weight and stabilisation of polycondensates with hindered amine diepoxides |
| 07/28/1999 | EP0931804A2 Optical disk substrate, optical disk and aromatic polycarbonate resin |
| 07/27/1999 | US5929192 Melt polycondensing aromatic dihydroxy compound and aromatic carbonic acid diester within a mixture solution comprising same aromatic monohydroxy compound by-product and freezing point depressant for aromatic monohydroxy compound |
| 07/26/1999 | CA2259890A1 Increasing the molecular weight of polycondensates and stabilizing them, using diepoxides of sterically hindered amines |
| 07/22/1999 | WO1999036458A1 Process for producing polycarbonate and optical-disk substrate |
| 07/22/1999 | WO1999036457A1 Process and polymerizer for producing aromatic polycarbonate |
| 07/22/1999 | WO1999036456A1 Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium |
| 07/21/1999 | CN1223277A Aromatic polycarbonate resin composition |
| 07/15/1999 | WO1999024391B1 Radio-opaque polymer biomaterials |
| 07/13/1999 | US5922882 Bisbenzotriazolylphenol compound |
| 07/13/1999 | US5922827 Process for producing a polycarbonate |
| 07/13/1999 | US5922826 Process for producing polycarbonate |
| 07/08/1999 | WO1999033919A1 Polycarbonate sheet |
| 07/07/1999 | EP0927746A1 Aromatic polycarbonate composition |
| 07/07/1999 | EP0927214A1 Polymerizable biodegradable polymers including carbonate or dioxanone linkages |
| 07/07/1999 | EP0646152B1 Carbonate polymer laminate structures |
| 07/06/1999 | US5919891 Aromatic polycarbonate endcapped with 3-(2h-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy-benze ne-propanoic acid; improved resistance to the effects of ultraviolet radiation |
| 07/01/1999 | WO1999032526A2 Method for hydrogenating aromatic polymers |
| 07/01/1999 | DE19756369A1 Verfahren zur Hydrierung aromatischer Polymere A process for the hydrogenation of aromatic polymers |
| 06/30/1999 | EP0926181A2 Manufacturing method for polycarbonate |
| 06/30/1999 | EP0926180A2 A polycarbonate copolymer and applications thereof |
| 06/30/1999 | EP0926118A1 Process for the purification of bisphenols and preparation of polycarbonates therefrom |
| 06/29/1999 | US5916980 Polycarbonate resin composition |
| 06/23/1999 | EP0924260A2 Polycarbonate formulation and carrier for semiconductor wafers |
| 06/23/1999 | EP0924259A1 Polycarbonate resin compositions |
| 06/23/1999 | CN1220286A Polycarbonate redistribution method with catalyst decomposition |
| 06/22/1999 | US5914431 Reacting phenols and ketones in the presence of a mineral acid catalyst and, as cocatalyst an insoluble ion exchange resin of crosslinked polystyrene having acidic groups neutralized by mercaptoamines and/or thiazolidines |
| 06/16/1999 | EP0922722A1 Interfacial polycarbonate polymerization process and product |
| 06/16/1999 | CN1219548A Branching agents for reactive extrusion |
| 06/15/1999 | US5912318 Ester interchange of aromatic dihydroxy compound with diaryl carbonate |
| 06/10/1999 | WO1999028370A1 Method and device for manufacturing polycarbonate |
| 06/10/1999 | WO1999028369A1 Branched polycarbonate resin |
| 06/09/1999 | CN1218821A Working medium for refrigerating circulation device and refrigerating circulation device with said medium |
| 06/08/1999 | US5910562 Copolycarbonate resin and resin composition comprising the same |
| 06/03/1999 | WO1999026995A1 Process for producing polycarbonate |
| 06/01/1999 | US5908916 Aromatic polycarbonates |
| 06/01/1999 | US5908915 Copolyetherimides and phase catalyzed method for their preparation |
| 05/27/1999 | WO1999025751A1 Additives for improving the barrier and processing properties of polymers |
| 05/26/1999 | EP0918061A2 Organic-inorganic hybrid polymer material and process for preparing the same |
| 05/25/1999 | US5907027 Reducing ionic impurities content in aromatic polycarbonate resins |
| 05/20/1999 | WO1999024529A1 Cholesteric oligomers with cross-linked end groups |
| 05/20/1999 | WO1999024490A1 Strictly alternating poly(alkylene oxide ether) copolymers |
| 05/20/1999 | WO1999024391A1 Radio-opaque polymer biomaterials |
| 05/20/1999 | WO1999024107A1 Biodegradable, anionic polymers derived from the amino acid l-tyrosine |
| 05/20/1999 | WO1999008718A3 Bioresorbable compositions for implantable prostheses |
| 05/20/1999 | DE19750288A1 Polymer additive for improving processing characteristics |
| 05/19/1999 | EP0916685A1 Branching agents for reactive extrusion |
| 05/19/1999 | EP0915927A1 Chiral nematic polycarbonates |
| 05/18/1999 | US5905135 Method of preparing polycarbonates by solid state polymerization |
| 05/12/1999 | DE19749123A1 Cholesterische Oligomere mit vernetzbaren Endgruppen Cholesteric oligomers with crosslinkable end groups |
| 05/06/1999 | WO1999021909A1 Optically active spirobiindane polymers |
| 05/06/1999 | WO1999021905A1 Optically active indane polymers |
| 05/06/1999 | EP0913456A2 Working fluid for refrigerating cycle equipment and the refrigerating cycle equipment using the same |
| 05/06/1999 | EP0913419A2 Polycarbonate redistribution method with catalyst decomposition |
| 05/06/1999 | CA2316293A1 Optically active indane polymers |
| 05/06/1999 | CA2316291A1 Optically active spirobiindane polymers |
| 05/05/1999 | CN1215738A Improved process for preparation of poly(arylcarbonate)s |
| 05/04/1999 | US5900500 Containing functional end groups |
| 05/04/1999 | US5900487 High molecular weight stabilizer compounds for stabilizing polymers |
| 04/29/1999 | WO1999020683A1 Process for purifying polymers using ultrasonic extraction |
| 04/29/1999 | WO1999020679A1 Silane functionalized polyaromatic polymers and methods for their production |
| 04/28/1999 | EP0911356A1 Polyphenols as polycarbonate branching agents |
| 04/22/1999 | WO1999019380A1 Preparation of dihydroxydiphenyl-copolycarbonates by melt re-esterification |
| 04/22/1999 | WO1999019379A1 Processes for the preparation of monodisperse polymers, processes for the continuous polymerization of cyclic monomers, and polymers prepared thereby |
| 04/22/1999 | WO1999019064A1 Composition based on a grafted metal oxide, preparation and use in a polymerisation method by opening oxygenated cycles |
| 04/22/1999 | DE19745417A1 Precipitation of polymers from solution |
| 04/22/1999 | CA2306419A1 Composition based on a grafted metal oxide, preparation and use in a polymerisation method by opening oxygenated cycles |
| 04/22/1999 | CA2306157A1 Preparation of dihydroxydiphenyl-copolycarbonates by melt re-esterification |
| 04/15/1999 | WO1999006464A8 Copolycarbonates with an idane bisphenol base |
| 04/15/1999 | DE19744693A1 Production of thermoplastic copolycarbonates useful for moldings resistant to chemicals |
| 04/14/1999 | EP0908485A2 Copolyetherimides and phase transfer catalyzed method for their preparation |
| 04/14/1999 | EP0908484A1 Processes for the production of polycarbonate |
| 04/06/1999 | CA2140255C Polyarylates containing derivatives of the natural amino acid l-tyrosine |
| 03/31/1999 | EP0905184A2 Aromatic polycarbonate resin composition |
| 03/25/1999 | DE19738369A1 Cholesteric material used in pigment for dye or paint |
| 03/23/1999 | US5886132 Method for controlling the effective level of catalyst during the preparation of a polycarbonate polymer by transesterification |
| 03/23/1999 | US5886093 Biodegradable polyester with improved molding characteristics and its production |
| 03/23/1999 | US5886073 Polycarbonate redistribution method with catalyst decomposition |
| 03/23/1999 | US5885497 Method of making a metallized plastic article |
| 03/18/1999 | WO1998059005A3 Use of polycarbonates containing iodine phenyl carbonate for producing special shaped parts |
| 03/18/1999 | WO1998055531A3 Process for the preparation of copolyesters |
| 03/17/1999 | EP0708128B1 Process for producing polycarbonate |
| 03/16/1999 | US5883218 Polycarbonates |
| 03/16/1999 | CA2246103A1 A molding composition having improved impact strength |
| 03/11/1999 | WO1999011733A1 Coatings with a cholesteric effect and method for the production thereof |
| 03/11/1999 | WO1999011694A1 Catalyst system for producing polyalkylene carbonates |
| 03/10/1999 | EP0900816A1 Method for preparing brominated polycarbonates |
| 03/10/1999 | CN1210115A Optical disk grade copolyestercarbonates derived from hydroxyphenylindanols |
| 03/09/1999 | US5880248 Copolycarbonate derived from two or more aromatic dihydroxy compounds and a reaction product of an epoxy compound with an acidic compound; improved impact and thermal resistance and transparency |
| 03/05/1999 | CA2245316A1 A process for preparing a copolycarbonate |
| 03/04/1999 | WO1999010406A1 Branched polycarbonate resin and process for the preparation thereof |
| 03/04/1999 | DE19737547A1 Katalysatorsystem zur Herstellung von Polyalkylencarbonaten A catalyst system for the production of polyalkylene carbonates |
| 03/02/1999 | US5876892 Polycarbonatesiloxane copolymer |