| 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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| 04/22/2009 | CN101415750A Polycarbonate resin |
| 04/22/2009 | CN101415529A Method for manufacturing optical disk material and optical disk material manufactured by the method |
| 04/22/2009 | CN101412809A Single site catalyst for synthesizing polycarbonate |
| 04/22/2009 | CN101412808A Method for producing polycarbonate |
| 04/22/2009 | CN101412807A Polyurethane and polyurethane urea elastomers based on polycarbonate polyols |
| 04/21/2009 | US7521521 Highly functional highly branched or hyperbranched polycarbonates and the production and use hereof |
| 04/21/2009 | US7521505 Polymerizing a dihydric phenol and a carbonate precursor in the presence of oxalic acid to produce a polycarbonate with a yellowness index of less than or equal to 10 measured in accordance with ASTM E313 test method on molded samples having a thickness of about 2.5 millimeters; reduces discoloration |
| 04/15/2009 | EP2048181A1 Process and apparatus for continuously producing aromatic polycarbonate |
| 04/15/2009 | EP2048180A1 Polycarbonate resin and electrophotographic photosensitive body using the same |
| 04/15/2009 | EP2046906A2 Water-based lacquers comprising highly functional, highly branched or hyperbranched polycarbonates |
| 04/15/2009 | EP2046861A1 Polyether carbonate polyols made via double metal cyanide (dmc) catalysis |
| 04/14/2009 | US7517944 Reacting an aqueous alkali solution of a dihydric phenol with phosgene in the presence of an organic solvent to produce a polycarbonate oligomer; coalescing to produce an oligomer-containing solvent phase and an aqueous phase, and polycondensing the solvent phase; still standing phase separation |
| 04/09/2009 | WO2009045759A1 Monomer solution for producing polycarbonate |
| 04/09/2009 | WO2009045663A2 Portable device for generating two phases from a single electrical phase |
| 04/09/2009 | WO2009044907A1 Polycarbonate having plant-derived component and method for producing the same |
| 04/09/2009 | US20090093589 Use of hyperbranched polycarbonates as a dispersing agent for pigments |
| 04/08/2009 | CN101402737A Degradable conductive biological medical polymer material |
| 04/08/2009 | CN101402726A Combined catalyst of combined polymerization of carbonic anhydride and epoxide, and preparing method therefor |
| 04/08/2009 | CN101402725A Supported rare earth ternary catalyst for combined polymerization of carbonic anhydride and epoxide and preparing method therefor |
| 04/07/2009 | USRE40697 Extrusion grafting an oligomerized polycarbonate in methyl salicylate solution, heating to desolventize; a high level of endcapping, low levels of residual solvent |
| 04/07/2009 | US7514525 Recovery and purification of polyhydroxyalkanoates |
| 04/07/2009 | US7514524 Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom |
| 04/07/2009 | US7514523 Polycarbonate compositions and articles formed therefrom, with matte surfaces and high light transmissions |
| 04/07/2009 | US7514522 (Trans)esterification of a hydroxybenzoic acid or alkyl ester with a polyether to give a diester diol; interfacial copolymerization with a bisphenol compound and phosgene; enhanced flowability |
| 04/07/2009 | US7514521 Method for preparing a dialkyl carbonate, and its use in the preparation of diaryl carbonates and polycarbonates |
| 04/02/2009 | WO2009042755A1 Copolycarbonate compositions |
| 04/02/2009 | US20090088549 Mixing a non-reactive monomer and a diaryl carbonate at a temperature below the melting point of the diaryl carbonate; ester interchange between bisphenol A and diphenyl carbonate or bis/3-methylsalicyl/ carbonate; improved color and less side reaction by-products; birefringence; chemical resistance |
| 04/02/2009 | US20090088538 Method of Producing Polycarbonate in a Flash Devolatilization System |
| 04/01/2009 | EP2041202A1 Method for making molded polycarbonate articles with improved color |
| 04/01/2009 | CN101397366A Large-scale refining method of carbon dioxide-epoxide co-polymer |
| 04/01/2009 | CN100473678C Process for producing polycarbonate |
| 04/01/2009 | CN100473677C Copolycarbonate, copolycarbonate composition, and optical molded article obtained therefrom |
| 03/31/2009 | US7511114 Colored aromatic polycarbonate resin composition, process for producing the same and colored hollow container |
| 03/31/2009 | US7510768 Thermoplastic articles comprising cyclobutanediol having a decorative material embedded therein |
| 03/26/2009 | WO2008133776A3 Protective polymeric materials and related devices |
| 03/25/2009 | CN101395200A Equipment for production of polycarbonate resin and process for production thereof |
| 03/25/2009 | CN100473254C Three-dimensionally formed circuit sheet, component and method for manufacturing the same |
| 03/25/2009 | CN100471893C Molecular weight increase and modification of polycondensates |
| 03/19/2009 | WO2009034680A1 Process for production of aromatic polycarbonate resin |
| 03/19/2009 | WO2009033934A1 Polycarbonate and process for producing the same |
| 03/18/2009 | EP2036937A1 Polycarbonate and process for producing the same |
| 03/18/2009 | CN100469838C Translucent thermoplastic composition, method for making the composition and articles molded there from |
| 03/18/2009 | CN100469815C Preparation method of high molecular weight polycarbonate resin |
| 03/17/2009 | US7504527 Low corrosive integrated process for preparing dialkyl carbonates |
| 03/11/2009 | EP2034337A1 Optical lens |
| 03/11/2009 | EP2033981A1 Polycarbonate copolymer and process for production thereof |
| 03/11/2009 | EP2032628A2 Poly(arylene ether) block copolymer compositions, methods, and articles |
| 03/11/2009 | EP2032625A1 Manufacture of polycarbonates |
| 03/11/2009 | EP2032624A1 Weatherable, thermostable polymers having improved flow composition |
| 03/11/2009 | CN101384629A Photochromic compositions and articles comprising polyether oligomer |
| 03/10/2009 | US7501483 a gravitational, centrifugal, magnetic,= or an electric field force to the starting molecules causing them to move in space and then chemically react to form tailored assemblies of molecules in a particular pattern in a nanoscale size macroscopic film for removal and subsequent use; nanotechnology |
| 03/10/2009 | US7501481 Process for production of copolycarbonates with reduced color |
| 03/05/2009 | WO2009028699A1 Lens and optical unit using the same |
| 03/05/2009 | WO2009027312A1 Uv-stabilized polyalkylene terephthalates |
| 03/05/2009 | US20090062439 Polyestercarbonate compositions |
| 03/05/2009 | US20090062424 Colorimetric indicator of radiation exposure |
| 03/04/2009 | EP2029657A2 Powder coating materials with high-functionality, highly branched or hyperbranched polycarbonates |
| 03/04/2009 | CN101379114A Thermally stable polycarbonates, thermoplastic compositions thereof, and articles formed therefrom |
| 03/03/2009 | US7498401 Thermoplastic polycarbonate compositions, articles made therefrom and method of manufacture |
| 03/03/2009 | US7498400 Reacting dihydroxy compound with an activated diaryl carbonate in the presence of an esterification catalyst to produce a polycarbonate, wherein the carbonate reaction component and the dihydroxy reaction component are reacted in the presence of a monofunctional chainstopper; color, hydrolytic stability |
| 03/03/2009 | US7498399 Reacting phosgene and recycle streams of ester-substituted phenol from processes using tetraalkyl ammonium or phosphonium hydroxides where recycle stream is treated to reduce concentration of trialkyl amine, trialkyl phosphine, or both, if present, from recycle stream prior to reacting it with phosgene |
| 03/03/2009 | US7498398 Comprising a polysiloxane-polycarbonate copolymer; transparent blends with improved weatherability and/or chemical resistance, improved resistance to environmental stress crazing and cracking |
| 03/03/2009 | US7498397 Copolycarbonates, methods of manufacture, and uses thereof |
| 02/26/2009 | US20090054271 Glycerol polycarbonate, organic compositions containing same and method for obtaining said compositions |
| 02/26/2009 | DE112007001016T5 Lichtleitelement und Beleuchtungseinheit Light guiding and lighting unit |
| 02/25/2009 | EP2028210A1 Carbonate copolymers |
| 02/25/2009 | EP2027179A1 Method of stabilization of dihydric phenols |
| 02/25/2009 | EP2027178A1 Method of producing a polycarbonate in the presence of oxalic acid |
| 02/25/2009 | EP2026825A2 Furanone-initiated polymers |
| 02/25/2009 | EP1856180A4 Method of preparing polycarbonate resin |
| 02/25/2009 | EP1138720B1 Optical polycarbonate resin molding material and optical disk substrate |
| 02/25/2009 | CN101372551A Polycarbonate resin composition and molded article |
| 02/25/2009 | CN100463932C Production method of aliphatic polycarbonate resin |
| 02/24/2009 | US7495066 heat resistance; molding materials; two different dihydroxy monomers, including 3,3-Bis-(4-hydroxyphenyl)-2-phenyl-2,3-dihydroisoindol-1-one |
| 02/24/2009 | US7495065 Endcapping a polycarbonate having hydroxy terminal groups by melt reacting with the reaction product of bisphenol A and diphenyl carbonate; improved thermal stability in a solid state |
| 02/24/2009 | US7495064 Manufacture of polycarbonates |
| 02/24/2009 | US7495063 Catalytic polymerization of ethylene glycol; average molecular weight range of polyethylene glycol from about 3000 to about 10,000 |
| 02/19/2009 | WO2008091413A3 Polycarbonate composition comprising nanomaterials |
| 02/18/2009 | CN101367924A Low-temperature thermal cracking material, preparation and uses thereof |
| 02/18/2009 | CN101367923A Suspending solid phase polymerization method for polycarbonate with high molecular weight |
| 02/18/2009 | CN101367920A Phospholipid copolymers |
| 02/18/2009 | CN101367913A Suspending solid phase polymerization method for preparing polymer |
| 02/18/2009 | CN100462388C Weatherable block copolyester carbonates, methods for their preparation and blends containing them |
| 02/17/2009 | US7491837 Alkylene oxide is reacted with carbon dioxide in the presence of a halogen-free carbonation catalyst, the cyclic carbonate is then reacted with an alcohol in a carbonation and/or tranesterification catalyst for a dialkyl carbonate and diol |
| 02/17/2009 | US7491792 Polymer powder with block polyetheramide, use in a shaping process, and moldings produced from this polymer powder |
| 02/17/2009 | US7491788 blends of polycarbonate copolymers, transesterification catalysts and adjuvants, having heat stability and optical clarity |
| 02/17/2009 | US7491346 Polycarbonate resin and electrophotographic photosensitive member using same |
| 02/15/2009 | CA2637523A1 Phospholipid copolymers |
| 02/12/2009 | WO2009020967A1 Activated esters for synthesis of sulfonated telechelic polycarbonates |
| 02/12/2009 | WO2009020966A1 Sulfonated telechelic polycarbonates |
| 02/12/2009 | WO2008138517A3 Method for the production of polycarbonate according to a melt transesterification process |
| 02/12/2009 | US20090043071 reacting a mixture comprising a dihydroxy compound and a sulfobenzoic acid salt and a catalyst to obtain an intermediate product, reacting intermeidate product with activated aromatic carbonate compound to form sulfonated telechelic polycarbonate |
| 02/12/2009 | US20090043070 Improved hydrolytic stability, heat resistance by use of high glass transition temperature monomer in the polyester, 3,3-Bis-(4-hydroxyphenyl)-2-phenyl-2,3-dihydroisoindol-1-one |
| 02/12/2009 | US20090042033 Film-forming compositions derived from acyclic carbonates and polyamines |
| 02/12/2009 | DE10085367B4 Ein kontinuierliches Verfahren zur Herstellung von Copolycarbonatharzen A continuous process for the preparation of copolycarbonate resins |
| 02/11/2009 | EP2021315A1 Method of preparing ester-substituted diaryl carbonates |
| 02/05/2009 | WO2009017089A1 Light-reflecting polycarbonate resin composition and molded body thereof |
| 02/05/2009 | WO2009016804A1 Polycarbonate resin and method for producing the same |
| 02/05/2009 | WO2009016550A1 Polycarbonate with high refractive index |
| 02/05/2009 | WO2007106296A3 Poly(arylene ether) block copolymer compositions, methods, and articles |