| 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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| 03/22/2005 | US6870025 Reaction of resorcinol, hydroquinone, methylhydroquinone, bisphenol A, and 4,4'-biphenol with an ester-substituted diaryl carbonate |
| 03/22/2005 | US6870013 Reacting carbocyclic alcohols-2+ with phosgene, in the presence of catalysts and optionally chain stopping agents, then grafting with polysiloxanes to form haze-free radiation transparent polycarbonatesiloxane copolymers; optics |
| 03/22/2005 | US6870004 Introducing carbon dioxide gas to an epoxide substrate and complex admixture to form a polycarbonate |
| 03/19/2005 | CA2481997A1 Preparation of aliphatic oligocarbonate polyols |
| 03/19/2005 | CA2481978A1 Preparation of aliphatic oligocarbonate diols |
| 03/17/2005 | WO2002077065A8 Polycarbonate having a pronounced shear thinning behavior |
| 03/17/2005 | DE10338907A1 Polycarbonate und Copolycarbonate mit verminderter Wasseraufnahme und verbesserter Fließfähigkeit, ihre Herstellung und Verwendung Polycarbonates and copolycarbonates with reduced water absorption and improved fluidity, their preparation and use |
| 03/16/2005 | CN1596291A Photochromic polymerizable compositions |
| 03/16/2005 | CN1596289A Articles having a photochromic polymeric coating |
| 03/10/2005 | WO2005021478A1 Polycarbonates and copolycarbonates having reduced water absorption and improved flowability, and production and use thereof |
| 03/10/2005 | US20050054808 Novel aromatic dihydroxy compound useful for the preparation of (CO)polycarbonates |
| 03/10/2005 | US20050054759 Thermoplastic elastomer compositions containing a phase change solvent and selected processing oils |
| 03/09/2005 | EP0890944B1 Digital video disk substrate |
| 03/09/2005 | CN1592675A Method for removing water and other volatile components from polymer powders |
| 03/09/2005 | CN1591116A Light scattering plate and liguid crystal display using the same |
| 03/08/2005 | US6864346 Moldable compositions |
| 03/03/2005 | WO2005019302A1 Process for producing aromatic polycarbonate |
| 03/02/2005 | EP1341836B1 Methods of post-polymerization injection in condensation polymer production |
| 03/02/2005 | CN1191290C Process for production of polycarbonate |
| 03/01/2005 | US6861503 Interlinked solid polyethylene glycols and copolymers thereof |
| 03/01/2005 | US6860972 Process for detecting the location of a phase interface |
| 02/24/2005 | WO2005016997A1 Method for preparation of copolyorganosiloxanecarbonates of high clarity |
| 02/24/2005 | US20050043500 Polycarbonates which are defect-free for windows, lamps or moldings |
| 02/23/2005 | EP1508141A1 Method of enhancing pit replication in optical disks |
| 02/23/2005 | EP1507953A1 Method for preparing high molecular weight polycarbonate |
| 02/23/2005 | CN1583825A Refining process for fatty polycarbonate resin |
| 02/22/2005 | US6858298 Pellets formed from a polycarbonate resin, wherein the pellets satisfy the following properties (1) and (2): an average of surface areas in cutting cross sections of the pellets is 3.0 to 6.5 mm2, and an optical disc substrate formed from the |
| 02/22/2005 | CA2351952C Coating powders comprising macrocyclic oligomers |
| 02/17/2005 | US20050038134 Crosslinked, water insoluble polymer; medical equipment, drug delivery, tissue engineering |
| 02/17/2005 | US20050036946 Radio-opaque compounds, compositions containing same and methods of their synthesis and use |
| 02/16/2005 | EP1506249A1 Multiwall polycarbonate sheet and method for its production |
| 02/15/2005 | US6855795 Catalyst removal process |
| 02/15/2005 | US6855794 Polycarbonate substrates |
| 02/15/2005 | US6855390 Optical data carriers and method for producing the same |
| 02/10/2005 | US20050032988 Reacting carbocyclic alcohols-2+ with phosgene, in the presence of catalysts and optionally chain stopping agents, then grafting with polysiloxanes to form haze-free radiation transparent polycarbonatesiloxane copolymers; optics |
| 02/09/2005 | EP1505082A2 Polymer dispersion in polyesterpolyole |
| 02/09/2005 | EP1504302A1 A polymeric substrate for display and light emitting devices |
| 02/09/2005 | EP1504048A1 Method of preparing polyestercarbonates |
| 02/09/2005 | EP1504047A1 Polymeric microemulsions |
| 02/09/2005 | EP1301555B1 Mixed dialkali metal salts of sulfuric acid containing at least one cesium equivalent as polymerization catalysts |
| 02/09/2005 | EP1240232B1 Method for producing polycarbonate |
| 02/09/2005 | CN1576331A Printing ink, and decorated sheet obtained using the same |
| 02/08/2005 | US6852308 Iodinated and/or brominated derivatives of aromatic dihydroxy monomers are prepared and polymerized to form radio-opaque polymers. The monomers may also be copolymerized with other dihydroxy monomers. The iodinated and brominated aromatic |
| 02/03/2005 | WO2005010073A1 Process for preparing branched polycarbonate |
| 02/03/2005 | US20050027067 Polymer dispersions in polyester polyols |
| 02/03/2005 | CA2532081A1 Process for preparing branched polycarbonate |
| 02/02/2005 | CN1572836A Polycarbonate resin composition and polarizing sheet using the same |
| 02/02/2005 | CN1572809A Ytterbium(iii) acetylacetonate as a catalyst for the preparation of aliphatic oligocarbonate polyols |
| 01/27/2005 | US20050020804 Process for preparing branched polycarbonate |
| 01/26/2005 | EP1500671A1 Aromatic polycarbonate, process for producing the same, polycarbonate composition and hollow container therefrom |
| 01/26/2005 | EP1203042B1 Polycarbonate and molded polycarbonate articles |
| 01/26/2005 | CN1569920A Bisphenol type flame-retardant polycarbonate solution method preparation method |
| 01/26/2005 | CN1569919A Bisphenol type flame-retardant polycarbonate interface method preparation method |
| 01/25/2005 | US6846103 Apparatus for continuous stirring and process for continuous polycondensation of polymer resin |
| 01/20/2005 | WO2005005358A1 Process for the synthesis of bisphenol |
| 01/19/2005 | EP1427770B1 Process for the production of polycarbonate |
| 01/19/2005 | CN1568505A Storage medium for data |
| 01/18/2005 | US6844416 Photoconductive images; modified polycarbonate |
| 01/18/2005 | US6844287 Supported catalysts for the fixation of carbon dioxide into aliphatic polycarbonates and a process for preparing the same |
| 01/13/2005 | WO2005002596A1 Biocompatible polymer networks |
| 01/13/2005 | US20050010026 Battery polymeric material, battery separator, battery insulating packing, and lithium battery |
| 01/12/2005 | EP1155064B1 Addition of treatment agents to solid phase polymerization processes |
| 01/12/2005 | EP1133528B1 Method for preparing polymers by solid state polymerization |
| 01/12/2005 | EP1083193B1 Polycarbonate resin |
| 01/12/2005 | CN1564951A Polycarbonate-based oriented film and retardation film |
| 01/12/2005 | CN1564838A Method for making polycarbonate |
| 01/12/2005 | CN1564837A Aromatic polycarbonate, process for producing the same, polycarbonate composition, and hollow container obtained from the same |
| 01/12/2005 | CN1563144A Poly (2, 2-dimethylene dioxy group-1, 3 propylene glycol carbonic ester), preparaton method and application |
| 01/12/2005 | CN1563013A 2, 2-dimethylene dioxy group 1, 3-propylene glycol carbonate, preparation method and application |
| 01/06/2005 | US20050004406 Process for the synthesis of bisphenol |
| 01/06/2005 | US20050004325 Shelf life, durability |
| 01/06/2005 | US20050003287 Electroconductive support with photoconductive layer; charge transfer compound forming electrostatic latent image |
| 01/05/2005 | EP1493786A1 Printing ink, and decorated sheet obtained using the same |
| 01/05/2005 | EP1492836A1 Method and system for preparing a polycarbonate, copolymerization reagent and polycarbonate |
| 01/05/2005 | CN1561370A Polycarbonate composition with excellent releasability from mode |
| 01/05/2005 | CN1561356A Process for the production of polycarbonate |
| 01/05/2005 | CN1560111A Preparation process of polyester carbonate with high molecular weight whole alternant structure |
| 01/05/2005 | CN1183179C Salts of chelating agent as polycarbonate polymerization catalyst |
| 01/04/2005 | US6839676 Audio-decoder apparatus using a common circuit substrate for a plurality of channel models |
| 01/04/2005 | US6838543 Narrow molecular distribution; discoloration inhibition |
| 12/30/2004 | US20040266910 Printing ink, and decorated sheet obtained using the same |
| 12/29/2004 | WO2004113043A2 Propane diol-based polyester resin and shrink film |
| 12/29/2004 | EP1490422A1 Recycle process for polycondensation resins |
| 12/29/2004 | EP1490421A1 Polycarbonate having a high extensional viscosity |
| 12/29/2004 | EP1490323A1 A low corrosive integrated process for preparing dialkyl carbonates |
| 12/29/2004 | EP1490206A1 Plastic container having a homogenous wall thickness |
| 12/29/2004 | EP1404739B1 Optical polycarbonate and applications thereof |
| 12/29/2004 | EP1371675B1 Copolycarbonate diol and thermoplastic polyurethane obtained therefrom |
| 12/29/2004 | CN1558924A Method of polycarbonate preparation |
| 12/29/2004 | CN1558923A Method of polycarbonate preparation by solid state polymerization |
| 12/28/2004 | US6835798 Method of producing polycarbonates |
| 12/28/2004 | US6835797 Reacting a dihydroxyaryl compound with a diaryl carbonate to obtain a melt; flash evaporation of the monohydroxyaryl compound; heating the melt under vacuum; and repeating the steps |
| 12/23/2004 | WO2004111106A1 Polycarbonate and process for producing the same |
| 12/23/2004 | US20040260049 branched aromatic polycarbonate having a viscosity-average molecular weight of 16,000 or higher obtained by transesterification; improved flowability under high load, satisfactory hue and suitable for use in processing by extrusion and injection molding |
| 12/22/2004 | EP1489123A1 Copolycarbonate and heat-resistant part comprising the copolymer |
| 12/22/2004 | CN1556826A Extrusion method for making polycarbonate |
| 12/21/2004 | US6833433 Method for producing aliphatic oligocarbonate diols |
| 12/21/2004 | US6833427 Polycarbonate resin molding material for optical use |
| 12/21/2004 | US6833422 Method of preparing transparent silicone-containing copolycarbonates |
| 12/21/2004 | US6833193 Polycarbonate molded bodies with improved optical properties |