| 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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| 06/06/2006 | US7057005 mixing a dihydric phenol and a polyhydric phenol branching agent in basic solution; adding the carbonyl reagent and the water immissible organic solvent to polymerize; adding a monophenolic chain terminator and the coupling catalyst; improved branching and shear sensitivity |
| 06/06/2006 | US7057004 Process for the production of copolycarbonates with reduced color |
| 06/06/2006 | US7056633 Electrophotographic photoconductor, image forming method and apparatus, and process cartidge using the photocondutor, and long-chain alkyl group containing bisphenol compound and polymer made therefrom |
| 06/06/2006 | US7056493 Radio-opaque polymer biomaterials |
| 06/01/2006 | DE102004057348A1 Use of esters of organic sulfur-containing acids to inhibit catalytically active impurities in polycarbonate production by melt transesterification |
| 05/31/2006 | EP1660425A1 Polycarbonates and copolycarbonates having reduced water absorption and improved flowability, and production and use thereof |
| 05/31/2006 | EP1444286B1 Method and device for producing polyesters, copolyesters and polycarbonates |
| 05/31/2006 | EP1436341B1 Polycarbonate-siloxane copolymers |
| 05/31/2006 | EP1414888B1 Extrusion method for making polycarbonate |
| 05/31/2006 | EP1228120B1 Method for preparing polycarbonates by oxidative carbonylation |
| 05/31/2006 | CN1780870A Method for producing vacuum in the production of polymers |
| 05/30/2006 | US7053250 using double metal cyanide catalyst having more active surface area per particle as well as improved overall morphology; catalyst produces polyether polyol with a narrower molecular weight distribution; improvement in quality of polyol |
| 05/30/2006 | CA2396229C Compliant polymeric materials formed from macromers |
| 05/26/2006 | WO2006012162A3 Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom |
| 05/25/2006 | US20060111547 Bottom layer resist polymers for photolithography and methods of manufacturing the same |
| 05/24/2006 | EP1165655B1 Method for quenching of catalyst in the production of low molecular weight polycarbonates |
| 05/24/2006 | EP1141081B1 Polycarbonates with a low yellowness index |
| 05/24/2006 | EP0719295B1 Polymeric matrices and their uses in pharmaceutical compositions |
| 05/24/2006 | CN1777630A Novel phase change solvents |
| 05/24/2006 | CN1775828A Method for preparing crosslinked aliphatic series polycarbonate |
| 05/18/2006 | WO2006051323A1 Polymer electrolyte |
| 05/18/2006 | WO2006050872A1 Polymer blends consisting of polyesters and linear oligomer polycarbonates |
| 05/17/2006 | EP1657272A1 Process for producing aromatic polycarbonate |
| 05/17/2006 | EP1458786B1 Process for preparing branched aromatic polycarbonates |
| 05/11/2006 | WO2006049987A1 Method for making polycarbonates |
| 05/11/2006 | WO2006049955A1 Method for making polycarbonate |
| 05/11/2006 | WO2006049466A1 Method of producing modified polycarbonate using spray-crystallizing method |
| 05/11/2006 | US20060100413 concurrent spray crystallization and solid state polymerization of amorphous polycarbonates, to produce high-molecular weight resins having uniform physical properties; molecula weight control |
| 05/10/2006 | EP1655324A1 Branched polycarbonate |
| 05/10/2006 | EP1654301A1 Method for preparation of copolyorganosiloxanecarbonates of high clarity |
| 05/10/2006 | EP1169703B1 Polycarbonates derived from alicyclic bisphenols |
| 05/10/2006 | CN1769320A Branching polycarbonate |
| 05/10/2006 | CN1255452C Process for producing aliphatic oligocarbonate diols |
| 05/09/2006 | US7041775 via polymerization catalysts within vessel; for production of molded articles |
| 05/04/2006 | US20060094856 Method for making polycarbonate |
| 05/04/2006 | US20060094855 distinguished by pseudoplasticity and can no longer be considered Newtonian fluids; trifunctional compounds which can be produced straightforwardly and contain only bisphenols as secondary components, which do not require troublesome separation |
| 05/04/2006 | US20060094854 Multistage; oligomerization using tetraalykyphosphorium catalyst and Group 1a hydroxide catalyst |
| 05/04/2006 | DE102004053047A1 Verzweigte Polycarbonate Branched polycarbonates |
| 05/03/2006 | EP1651701A1 Process for preparing branched polycarbonate |
| 04/27/2006 | WO2006043793A1 Method of preparing polycarbonate resin |
| 04/27/2006 | WO2006043715A1 Infrared absorbing filter |
| 04/27/2006 | WO2006043491A1 Process for producing high-purity diaryl carbonate on commerical scale |
| 04/27/2006 | US20060089484 Transesterifying diarylcarbonate, an aromatic dihydroxy compound, and polysiloxane in the presence of a catalyst to produce a low molecular weight amorphous polycarbonate prepolymer, condensation polymerizing, crystallization |
| 04/27/2006 | US20060089483 Cyclic polycarbonates and copolycarbonates,production and use thereof |
| 04/26/2006 | EP1373362B1 Method for producing oligocarbonates |
| 04/26/2006 | EP0770104B1 Increase in molecular weight of polycondensates |
| 04/26/2006 | CN1253487C Aromatic polycarbonate, composition thereof and use |
| 04/25/2006 | US7034099 Mixing with antioxidant such as hydroxycarboxylic acid; melt processability |
| 04/20/2006 | WO2006041190A1 Polycarbonate with low photoelastic constant and film made thereof |
| 04/20/2006 | WO2006041075A1 Process for production of high-purity diaryl carbonates |
| 04/20/2006 | DE10318747B4 Verfahren zur Vakuumerzeugung bei der Herstellung von Polymeren A method for generating a vacuum in the preparation of polymers |
| 04/19/2006 | EP1369446B1 Branched aromatic polycarbonate and process for producing the same |
| 04/19/2006 | EP1240240B1 Polycarbonate substrates |
| 04/19/2006 | CN1761695A Polycarbonate prepolymer for solid phase polymerization and process for producing polycarbonate |
| 04/19/2006 | CN1252181C Polycarbonate composition with excellent releasability from mode |
| 04/19/2006 | CN1252149C Prepn of polymer-synthesizing solution |
| 04/19/2006 | CN1252127C Process for preparing polycarbonate |
| 04/19/2006 | CN1252126C Method for making siloxane copolycarbonates |
| 04/19/2006 | CN1252125C Poly (2,2-dimethylene dioxy group-1, 3 propylene glycol carbonic ester), preparaton method and application |
| 04/12/2006 | EP1534768A4 Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate using same |
| 04/12/2006 | CN1759133A Formation of polymer polyols with a narrow polydispersity using double metal cyanide (DMC) catalysts |
| 04/12/2006 | CN1250605C Polycarbonate having pronounced shear thinning behavior |
| 04/12/2006 | CN1250604C Method for producing aliphatic oligocarbonate diols |
| 04/12/2006 | CN1250603C Ternary catalyst for preparing aliphatic polycarbonate with high molecular weight |
| 04/12/2006 | CN1250602C Prepn. of copolymer carbonic ester |
| 04/11/2006 | US7026423 Silicon-based polycarbonates |
| 04/06/2006 | US20060074218 Method of preparing catalyst for polymerization of aliphatic polycarbonate and method of polymerizing aliphatic polycarbonate |
| 04/06/2006 | US20060074216 Esterification of polycarbonates with a fatty acid, fatty ester, or symmetric bis(diesterphenyl)carbonate endcapping agent; improved stability |
| 04/06/2006 | DE112004000796T5 Katalysator zur Herstellung von Polycarbonat und Verfahren zur Herstellung von Polycarbonat Catalyst for manufacturing polycarbonate and process for production of polycarbonate |
| 04/06/2006 | DE102004045822A1 Verfahren zur Herstellung von Polycarbonat A process for the production of polycarbonate |
| 04/05/2006 | EP1641471A1 Biocompatible polymer networks |
| 04/05/2006 | EP0927746B1 Aromatic polycarbonate composition |
| 04/05/2006 | CN1756797A Polycarbonate compositions |
| 04/05/2006 | CN1249121C Process for preparing polycarbonate |
| 04/05/2006 | CN1249120C Aromatic polycarbonate, process for producing the same, and composition containing the same |
| 04/04/2006 | US7022812 Battery separator formed of an aromatic polymeric material such as polyphenylene ether, polyphenylene thioether, phenolic resins, polyketones, polyanhydride, polycarbonate, or copolymers thereof; discharge characteristics not degraded even under high temperature conditions |
| 04/04/2006 | US7022264 A solid polymer electrolyte, including a carbonate-based polymer in which a branched chain is introduced and having a high dielectric constant and a wide electrochemical stability range, having excellent processability, good safety and high ionic conductivity |
| 03/30/2006 | WO2006032401A1 Method for producing polycarbonate |
| 03/30/2006 | US20060069228 Via extruder containing activated carbonate residue and transesterification catalyst |
| 03/30/2006 | DE112004000332T5 Polycarbonat-Präpolymer für die Festphasenpolymerisation und Verfahren zur Herstellung von Polycarbonat Polycarbonate prepolymer for the solid phase polymerization and processes for the production of polycarbonate |
| 03/30/2006 | DE10217306B4 Heissklebepistole Hot glue gun |
| 03/29/2006 | EP1640400A1 Polycarbonate and process for producing the same |
| 03/29/2006 | EP1640399A1 Polycarbonate or polyester having reactive silicon-containing group and organic/inorganic hybrid polymeric material |
| 03/29/2006 | EP1638748A2 Propane diol-based polyester resin and shrink film |
| 03/29/2006 | CN1247660C Melt polycarbonate catalyst systems |
| 03/29/2006 | CN1247659C Synthesis process for polycarbonate with super high molecular weight |
| 03/29/2006 | CN1247519C Process for producing diaryl carbonate |
| 03/28/2006 | US7018567 Antistatic flame retardant resin composition and methods for manufacture thereof |
| 03/23/2006 | WO2006031968A1 Materials leading to dental composites |
| 03/23/2006 | US20060063906 Process for the preparation of polycarbonate |
| 03/22/2006 | EP1423452B1 Process for preparing polycarbonate |
| 03/22/2006 | EP1313790B1 Reactive rectification |
| 03/22/2006 | CN1751096A Translucent thermoplastic composition, method for making the composition and articles molded there from |
| 03/21/2006 | US7015302 Copolymers of monocyclic esters and carbonates and methods for making same |
| 03/15/2006 | CN1746207A Fat ester carbonate polymer with side carboxy, its synthesis and use thereof |
| 03/15/2006 | CN1746195A Metal acetylacetonates as transesterification catalysts |
| 03/09/2006 | DE102004043114A1 Verfahren zur Herstellung von Polycarbonat A process for the production of polycarbonate |
| 03/09/2006 | DE102004042843A1 Metallacetylacetonate als Umesterungskatalysatoren Metal acetylacetonates as transesterification catalysts |
| 03/08/2006 | EP1632512A1 Metal acetylacetonates as transesterification catalysts |
| 03/08/2006 | EP1632503A1 Ultrasound-assisted synthesis of cyclodextrin-based nanosponges |