| 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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| 06/30/2005 | US20050143553 Aromatic polycarbonate resin, process for producing the same, optical-part molding material, and optical part |
| 06/30/2005 | US20050143551 Thermoplastic polyurethane |
| 06/30/2005 | DE10357161A1 Verfahren zur Herstellung von Polycarbonaten mit geringem Gehalt an flüchtigen Verbindungen nach dem Umesterungsverfahren A process for the production of polycarbonates with a low content of volatile compounds by the transesterification |
| 06/29/2005 | EP1548064A1 Polycarbonate-based resin composition for extrusion using sizing die and molded article |
| 06/29/2005 | EP1546233A1 Method for preparing polycarbonate resin |
| 06/29/2005 | EP1451256B1 Articles having a photochromic polymeric coating |
| 06/29/2005 | EP1171505B1 Optical quality polycarbonates with reduced static charge and method for making same |
| 06/29/2005 | CN1633470A Aromatic polycarbonate resins for optical disk substrates |
| 06/29/2005 | CN1633456A Optimization of polycarbonate preparation by transesterification |
| 06/23/2005 | US20050137409 Processes for preparing benzoquinones and hydroquinones |
| 06/23/2005 | US20050137380 Oxidizing an aromatic hydroxy compound with an oxidizing agent in a biphasic solvent system in the presence of a transition metal hydroxy phosphate catalyst to produce a corresponding hydroquinone compound |
| 06/23/2005 | DE10354546A1 Polycarbonat-Massivformkörper mit verbesserten optischen und verarbeitungstechnischen Eigenschaften Polycarbonate solid molding with improved optical and processing properties |
| 06/22/2005 | EP1543061A1 Method of preparing transparent silicone-containing copolycarbonates |
| 06/22/2005 | CN1630675A Polycarbonate resin and process for producing the same |
| 06/22/2005 | CN1207322C Processes for producing raw polycarbonate resin material and producing polycarbonate resin |
| 06/22/2005 | CN1207321C Continuous interfacial methods for preparing aromatic polycarbonates |
| 06/22/2005 | CN1207320C Polycarbonate substrates |
| 06/16/2005 | WO2005054335A1 Method for producing polycarbonates having a low content of volatile compounds according to the transesterification process |
| 06/16/2005 | US20050131197 Transesterification process for the production of polycarbonates having a low content of volatile compounds |
| 06/15/2005 | EP1541632A1 Polycarbonate resin composition and molded article |
| 06/15/2005 | EP1540417A2 Photosensitive bottom anti-reflective coatings |
| 06/15/2005 | EP1539884A1 Antistatic flame retardant resin composition and methods for manufacture thereof |
| 06/09/2005 | WO2005052025A1 Polycarbonate copolymer and method for production thereof |
| 06/09/2005 | US20050123481 Radio-opaque polymeric biomaterials |
| 06/08/2005 | EP1063252B1 Flame-retardant resin, composition thereof, and process for producing the same |
| 06/08/2005 | CN1625513A Method for preserving dried polycarbonate resin and method of wet-molding resin |
| 06/02/2005 | WO2005049320A1 Solid molded polycarbonate member having improved optical and processing characteristics |
| 06/02/2005 | US20050119441 Dimensional stability; camera lenses, lens barrels, prisms, mirrors; trays for conveying semiconductors |
| 06/02/2005 | CA2546576A1 Solid molded polycarbonate member having improved optical and processing characteristics |
| 06/01/2005 | EP1534768A1 Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate using same |
| 06/01/2005 | CN1622965A Aromatic polycarbonate resin, process for producing the same, optical-part molding material, and optical part |
| 06/01/2005 | CN1622758A Degradable elastomers for chewing gum base |
| 06/01/2005 | CN1204162C Method for preparing polycarbonate |
| 06/01/2005 | CN1204161C Copolycarbonate diol and thermoplastic polyurethane obtained therefrom |
| 05/31/2005 | US6900283 Method for making stable, homogeneous melt solutions |
| 05/26/2005 | WO2003021581A8 Storage medium for data |
| 05/25/2005 | EP1532192A1 Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate |
| 05/25/2005 | DE10335250B3 Polymerdispersionen in Polyesterpolyolen Polymer dispersions in polyester |
| 05/25/2005 | CN1620473A Process for the production of branched melt polycarbonate by late addition of fries-inducing catalyst |
| 05/25/2005 | CN1203108C Process for redistribution of polycarbonate resin |
| 05/18/2005 | EP1530606A1 Siloxane bischloroformates |
| 05/18/2005 | EP1178068B1 Processes for producing raw polycarbonate resin material and producing polycarbonate resin |
| 05/18/2005 | CN1618109A Film for use as a dielectric in capacitors and method for producing the same |
| 05/18/2005 | CN1617845A Process for producing fluorene derivative |
| 05/18/2005 | CN1616407A Preparation of aliphatic oligocarbonate diols |
| 05/18/2005 | CN1616396A Preparation of aliphatic oligocarbonate polyols |
| 05/17/2005 | US6894182 Aliphatic oligocarbonate polyols prepared in the presence of a catalyst and a process for preparing the same |
| 05/17/2005 | US6894142 Dihydroxyphenyl-hydroxychromene derivatives |
| 05/12/2005 | WO2005042621A1 Charge-transporting compound, charge-transporting material, charge-transporting varnish, charge-transporting thin film, and organic electroluminescent device |
| 05/12/2005 | DE10392405T5 Polycarbonatzusammensetzungen und damit in Beziehung stehende Gegenstände und Verfahren Polycarbonate compositions and related articles and methods relationship |
| 05/11/2005 | EP1529796A1 Photosensitive ceramic compositions containing polycarbonate polymers |
| 05/11/2005 | EP1353971B1 Melt polycarbonate catalyst systems |
| 05/11/2005 | EP1274762B1 Polycarbonate preparation process |
| 05/11/2005 | EP1081174B1 Process for producing polycarbonate |
| 05/11/2005 | CN1615328A Process for preparing branched aromatic polycarbonates |
| 05/04/2005 | CN1612917A Flame retardant resinous compositions and method of making the same |
| 05/03/2005 | US6887970 Method for producing polycarbonates |
| 05/03/2005 | US6887969 To facilitate removal of volatile reaction byproducts such as phenol and salicylate from reaction as polymerization occurs, the present invention provides a spray mist reactor |
| 05/03/2005 | US6887968 Melting polycarbonate wastes in a vaccuum with bisphenols or oligocarbonates to produce higher molecular weight polymers |
| 04/28/2005 | US20050090638 Method for producing polycarbonate |
| 04/28/2005 | US20050090637 Which enhance the water resistance; sunscreens for example; polycarbonates made by transesterification of a dialkyl carbonate and a hydrogenated dimer diol of given iodine number; sensory properties absorption, spreadability and tackiness are improved |
| 04/27/2005 | EP1100841B1 Optical quality copolycarbonates containing polyoxyalkylene carbonate units |
| 04/27/2005 | CN1610716A Reduction of reaction by-products in polycarbonate resins |
| 04/27/2005 | CN1610715A Process for the production of polycarbonate |
| 04/27/2005 | CN1610714A Polycarbonate-siloxane copolymers |
| 04/27/2005 | CN1198876C Optical polycatbonate resin molding material and optical disk substrate |
| 04/27/2005 | CN1198866C Method for purifying polycarbonate |
| 04/27/2005 | CN1198865C Method for enhancing crystallinity of polycarbonates |
| 04/27/2005 | CN1198864C Purification of solutions contg. polycarbonate |
| 04/26/2005 | US6884864 Flame retardancy and hydrolytic resistance |
| 04/20/2005 | CN1608096A 氟化聚合物 Fluorinated polymers |
| 04/19/2005 | US6881856 Comprises polyaddition product of diisocyanate and chain extender with a liquid polyethercarbonate diol; useful for elastomers, elastic fibers, and artificial leathers; heat resistance |
| 04/14/2005 | US20050080230 Fluorinated polymer |
| 04/14/2005 | DE10343472A1 Verfahren zur Herstellung von aliphatischen Oligocarbonatpolyolen A process for the preparation of aliphatic oligocarbonate polyols |
| 04/13/2005 | EP1521806A1 Thermoplastic polycarbonate compositions having high toughness |
| 04/13/2005 | EP1521794A1 Weatherable polycarbonates comprising oxanilide structural units, method, and articles made therefrom |
| 04/13/2005 | CN1196730C Copolycarbonate preparation by solid state polymerization |
| 04/12/2005 | US6878492 Solid polymer electrolyte |
| 04/07/2005 | WO2005030834A1 Molecular weight increase and modification of polycondensates |
| 04/07/2005 | WO2004005371A8 Optical recording medium |
| 04/07/2005 | US20050073856 Light diffuser plate and liquid crystal displays using the same |
| 04/07/2005 | CA2537061A1 Molecular weight increase and modification of polycondensates |
| 04/06/2005 | EP1520869A1 Process for the preparation of aliphatic oligocarbonate polyols |
| 04/06/2005 | EP1520272A1 Dimensionally stable polycarbonate articles |
| 04/06/2005 | EP1519978A1 Method of polycarbonate preparation |
| 04/06/2005 | EP1519831A1 Method for making an aromatic polycarbonate |
| 04/06/2005 | EP1208131B1 Method of crystallizing polycarbonate prepolymer |
| 04/06/2005 | CN1603353A Synthesis process for polycarbonate with super high molecular weight |
| 04/05/2005 | US6875489 Optical recording medium |
| 03/30/2005 | EP1518880A1 Optical recording medium |
| 03/30/2005 | EP1518879A2 Process for the preparation of alphatic olgocarbonatediols |
| 03/30/2005 | EP1153955B1 Polycarbonate resin and process for producing the same |
| 03/29/2005 | US6872797 Copolycarbonate diol and thermoplastic polyurethane obtained therefrom |
| 03/24/2005 | WO2005026235A1 Method for producing polycarbonate |
| 03/24/2005 | WO2005026234A1 Highly functional, highly branched or hyperbranched polycarbonates and the production and use hereof |
| 03/24/2005 | US20050065360 Preparation of aliphatic oligocarbonate diols |
| 03/24/2005 | US20050065359 Preparation of aliphatic oligocarbonate polyols |
| 03/24/2005 | CA2536751A1 Highly functional, highly branched or hyperbranched polycarbonates and the production and use hereof |
| 03/23/2005 | EP1517163A1 Polycarbonate alignment film and phase difference film |
| 03/23/2005 | EP0708128B2 Process for producing polycarbonate |