| 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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| 02/17/2000 | WO2000008088A1 Polycarbonates made using high activity catalysts |
| 02/17/2000 | WO2000007799A1 Twin screw extruder, method of making aromatic polycarbonate using a twin screw extruder, and method of removing volatiles from an aromatic polycarbonate melt |
| 02/17/2000 | WO2000007684A1 Method for evaporating polymer solutions of thermoplastic polymers |
| 02/17/2000 | DE19835744A1 Verfahren zum Eindampfen von Polymerlösungen thermoplastischer Polymere A method of evaporation of polymer solutions of thermoplastic polymers |
| 02/08/2000 | US6022943 Base-catalyzed polymerization of a diaryl carbonate and a dihydric phenol under conditions effective to produce a polycarbonate product having an endcap level of 90% or greater. |
| 02/08/2000 | US6022942 Optical data storage media |
| 02/08/2000 | US6022941 Branched polycarbonate produced by reactive extrusion |
| 02/02/2000 | EP0976773A2 Process for producing a polycarbonate resin |
| 02/02/2000 | EP0976772A1 Process for producing polycarbonate resin |
| 01/26/2000 | EP0973820A1 Method of making polycarbonate prepolymer and method of making high molecular weight polycarbonate |
| 01/26/2000 | CN1242783A Polysilanes and process for producing same |
| 01/26/2000 | CN1242386A Process for producing polycarbonate resin |
| 01/25/2000 | US6018014 Prescribed diol monomer has structure hydroxy-(arylene)-(2-(aminoaryl or heterocycle)vinyl)-(arylene)-hydroxyl;useful for a charge-transport polymer material for an electrophotographic photosensitive medium |
| 01/20/2000 | WO2000002952A1 Novel polyoxyalkylenepolyols and process for producing ring-opened polymer |
| 01/19/2000 | EP0972809A2 Organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same |
| 01/13/2000 | WO2000001755A2 Method for producing polycarbonates with terminal oh groups |
| 01/13/2000 | WO1999054381A3 Methods for removing volatile components from polymer solutions |
| 01/11/2000 | US6013251 Antiviral against human immuno deficiency virus (hiv), cytomegalovirus, herpes simplex virus (hsv) |
| 01/05/2000 | EP0969031A1 Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium |
| 01/05/2000 | DE19829593A1 Verfahren zur Herstellung von Verbindungen mit terminalen OH-Gruppen A process for the preparation of compounds having terminal OH groups |
| 12/30/1999 | DE19827852A1 Concentrating viscous polymer from monomer-solvent mixture to better than one percent |
| 12/29/1999 | WO1999067002A1 Method for isolating polymers from solutions |
| 12/29/1999 | EP0730624B1 Carbonate blend polymer compositions comprising a high molecular weight branched carbonate polymer component and methods for their preparation |
| 12/29/1999 | CA2335577A1 Method for isolating polymers from solutions |
| 12/28/1999 | US6008315 Manufacturing method for bisphenols and a manufacturing method for polycarbonate |
| 12/23/1999 | WO1999065970A1 System and process for producing polycondensation polymer |
| 12/23/1999 | WO1999032526A3 Method for hydrogenating aromatic polymers |
| 12/21/1999 | US6005020 Bioresorbable compositions for implantable prostheses |
| 12/16/1999 | WO1999064492A1 Process for producing aromatic polycarbonate |
| 12/15/1999 | EP0964016A2 Aromatic-aliphatic copolycarbonate and process for producing the same |
| 12/15/1999 | EP0963395A1 Polymers comprising a fluorinated carbonate moiety |
| 12/15/1999 | CN1238346A Aromatic-aliphatic copolycarbonate and process for producing the same |
| 12/14/1999 | US6001958 Crosslinkable polymer, particularly for optical and non-linear optical use, materials or devices using same, and method for preparing said polymer |
| 12/14/1999 | US6001953 Polycarbonates suitable for use in optical articles |
| 12/08/1999 | EP0962478A2 Process for producing aromatic/aliphatic copolycarbonate |
| 12/08/1999 | EP0961801A1 Monomers derived from hydroxy acids and polymers prepared therefrom |
| 12/07/1999 | USRE36432 Using an alumina-silica; filtration |
| 11/30/1999 | US5993971 Optical information record medium |
| 11/25/1999 | DE19841234C1 Reversibly thermotropic transparent molding material, useful e.g. in glazing or covers for shading and light-heat regulation in houses and cars etc. |
| 11/24/1999 | CN1046743C Process for producing aromatic polycarbonate |
| 11/24/1999 | CN1046699C Process for preparing bisphenol A of good heat stability |
| 11/23/1999 | US5990362 Etherification of phenol with p-isopropenylphenol or 2-(4-hydroxyphenyl)-2-propanol in the presence of a catalyst, at a reaction temperature of no greater than about 65.degree. c. |
| 11/23/1999 | US5990262 Process for producing polycarbonates |
| 11/23/1999 | CA2154151C Automotive refinish primer surfacer |
| 11/18/1999 | WO1999058593A1 Uv-stabilized and other modified polycarbonates and method of making same |
| 11/17/1999 | EP0656026B1 Polyarylates containing derivatives of the natural amino acid l-tyrosine |
| 11/16/1999 | US5986044 Polyureas, polycarbonates, polyesters and polyamide copolymers |
| 11/16/1999 | US5986037 Polycarbonates from phosgene |
| 11/16/1999 | US5986019 Process for preparing a copolycarbonate |
| 11/09/1999 | US5981051 Dissolving polycarbonate prepolymer in solvent under heat, then crystallizing it by cooling and shaping; grains of granular prepolymer hardly fuse together in polymerization suitable for high speed polymerization |
| 11/04/1999 | WO1999055764A1 Carbonic diester, aromatic polycarbonate, production apparatus, and process for production |
| 11/03/1999 | EP0754714B1 Process for producing hydroxyl-terminated polycarbonate |
| 11/03/1999 | CN1233623A Method of preparing polycarbonates by solid state polymerization |
| 11/02/1999 | US5977265 Method for preparing brominated polycarbonates, and products obtained thereby |
| 11/02/1999 | US5976746 Electroconductive support; photoconductive layer |
| 10/28/1999 | WO1999054381A2 Methods for removing volatile components from polymer solutions |
| 10/28/1999 | WO1999054373A1 Curable composition and cured article thereof |
| 10/28/1999 | DE19817677A1 A process for removal of volatile components from polymer solutions |
| 10/26/1999 | US5973103 Continuous interfacial method for preparing aromatic polycarbonates |
| 10/26/1999 | US5973075 Methods for preparing rigid-rod macromonomers with reactive end groups |
| 10/21/1999 | WO1999052962A1 The construction of copolymer libraries |
| 10/19/1999 | US5969086 Quaternary bisphenolates, methods for their preparation, and uses thereof |
| 10/19/1999 | US5969084 Reaction of phosgene with bisphenol in the presence tetraamonium salt by polycondensation to form polycarbonates |
| 10/14/1999 | DE19816268A1 Cholesterische Flüssigkristallpolymere mit erhöhter Wetterstabilität Cholesteric liquid crystal polymers with increased weather resistance |
| 10/13/1999 | EP0949292A1 Method for recycling aromatic polycarbonates |
| 10/13/1999 | EP0949288A1 Method of preparing polycarbonates by solide state polymerization |
| 10/13/1999 | EP0949287A2 Weather-restistant cholesteric luiquid crystal polymers |
| 10/12/1999 | US5965688 Interfacial polycarbonate polymerization process and product |
| 10/07/1999 | WO1999050336A1 Branched polycarbonate produced by reactive extrusion |
| 10/07/1999 | WO1999050335A1 Stabilized aromatic polycarbonate |
| 10/06/1999 | CN1230559A Polyphenols as polycarbonate branching agents |
| 10/05/1999 | US5962622 Weatherproofing, low birefringence; compact disks |
| 10/05/1999 | US5962558 High molecular weight stabilizer compounds for stabilizing polymers |
| 09/30/1999 | WO1999048947A1 Polycarbonate and optical material |
| 09/29/1999 | CN1230202A Polycarbonate resin compsns. |
| 09/28/1999 | US5959960 Method of providing a range of conformalities for optical recording layers |
| 09/28/1999 | US5959065 P-cumylphenol endcapped polycarbonate; compact disks; specified melt viscosity range |
| 09/23/1999 | WO1999047580A1 Process for producing aromatic polycarbonate |
| 09/22/1999 | EP0943641A1 Processes for the preparation of monodisperse polymers, processes for the continuous polymerization of cyclic monomers, and polymers prepared thereby |
| 09/16/1999 | WO2001002467A1 Apparatus and method for producing resin |
| 09/16/1999 | WO1999046315A1 Method for producing a liquid formulation of tetraphenylphosphonium phenolate |
| 09/16/1999 | WO1999046314A1 Flame-retardant resin, composition thereof, and process for producing the same |
| 09/16/1999 | DE19810745A1 Liquid catalyst formulation for transesterification processes, especially for the solvent-free production of polycarbonate from diphenol and diaryl carbonate |
| 09/16/1999 | DE19809998A1 Separation of organic metal salts from polymer solution gives a product containing less than 50 parts per million metal salts |
| 09/15/1999 | EP0941268A1 Polycarbonates |
| 09/15/1999 | EP0752980B1 Substituted phenyl compounds and processes for preparing the same |
| 09/15/1999 | EP0597128B1 Ester polymer, production thereof, and electrophotographic photoreceptor made therefrom |
| 09/15/1999 | CN1228445A Interfacial polycarbonate polymerization process and product |
| 09/14/1999 | US5952450 Crosslinked polycarbonate and polylactic acid composition containing the same |
| 09/14/1999 | US5952449 Transesterification polymerization of a molten monomer mixture of an aromatic dihydroxy compound and a diaryl carbonate; high purity and colorless |
| 09/14/1999 | US5952435 A cured blends comprising a glycidylamine epoxy resin thermosetting resin, a 2-functional epoxy resin, an aromatic polycarbonate thermoplastic resin, an acid anhydride curing agent and reinforcing fibers; a belt for snowmobile |
| 09/08/1999 | CN1227834A Manufacturing method for bisphenols and manufacturing method for polycarbonate |
| 09/07/1999 | USRE36293 Polyalkylene glycol polycarbonate based lubricant oil composition |
| 09/07/1999 | US5948876 Polyphenols as polycarbonate branching agents |
| 08/31/1999 | US5945502 Electroluminescent polymer compositions and processes thereof |
| 08/24/1999 | US5942594 Polycarbonate and process for producing the same |
| 08/18/1999 | CN1226274A Aromatic polycarbonate composition |
| 08/18/1999 | CN1225926A Manufacturing method for polycarbonate |
| 08/11/1999 | EP0934266A1 Cross-linkers for cross-linkable optical polycarbonates |
| 08/11/1999 | CN1225377A Polycarbonate formulation and carrier for semiconductor wafers that is opaque to certain light wavelengths |