| 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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| 01/24/2002 | WO2002006374A1 Process for producing aromatic polycarbonate and method of storing raw materials therefor |
| 01/24/2002 | US20020010308 Method for production of poly (trimethylene carbonate) |
| 01/23/2002 | EP1173264A1 Method and device for evaporating polymer solutions of thermoplastic polymers, and a polycarbonate which can be obtained by evaporation |
| 01/23/2002 | CN1332763A Method of manufacturing polycarbonates |
| 01/23/2002 | CN1078219C Process for preparing aromatic polycarbonate |
| 01/22/2002 | US6340738 Continuous method for manufacturing polycarbonate |
| 01/22/2002 | US6340737 Copolycarbonate of a 9,9-bis(hydroxyphenyl)fluorene compound, a polysiloxane endcapped with a hydroxyphenyl group, and a phenolic diol such as bisphenol a; reduced oblique incidence birefringence, moldability, good transparency |
| 01/22/2002 | US6340736 Sodium chloride brine streams, polycarbonates |
| 01/17/2002 | WO2002004992A1 Plastic lens |
| 01/17/2002 | WO2002004546A1 Mixed dialkali metal salts of sulfuric acid containing at least one cesium equivalent as polymerization catalysts |
| 01/17/2002 | WO2002004545A1 Substantially single phase silicone copolycarbonates, methods, and optical articles made therefrom |
| 01/16/2002 | EP1171505A1 Optical quality polycarbonates with reduced static charge and method for making same |
| 01/16/2002 | CN1331714A Polycarbonates with low yellowness index |
| 01/16/2002 | CN1331713A Continuous interfacial methods for preparing aromatic polycarbonates |
| 01/16/2002 | CN1077903C Process for producing polycarbonate |
| 01/15/2002 | US6339138 Method of manufacturing polycarbonates |
| 01/09/2002 | EP1169703A1 Polycarbonates derived from alicyclic bisphenols |
| 01/09/2002 | EP0785967B1 Increasing the molecular weight of polycondensates |
| 01/09/2002 | CN1330688A Use of polycarbonates containing iodine and/or bromine for moulded parts with high x-ray contrast and moulded parts produced with same |
| 01/09/2002 | CN1330682A X-ray contrasting moulded part with improved long-term stability |
| 01/09/2002 | CN1330674A Method for preparation of disphenol-Apolycarbonate with reduced levels of fries |
| 01/09/2002 | CN1330673A Use of oligomeric iodinated polycarbonates |
| 01/03/2002 | WO2002000760A1 Infrared evaluation of the stoichiometric ratio of dihydric phenolto diarylcarbonate during production of polycarbonates |
| 01/02/2002 | EP1167450A1 Polycarbonate resin composition |
| 01/02/2002 | EP1165656A1 Method for quenching residual catalyst in the production of polycarbonate |
| 01/02/2002 | EP1165655A1 Method for quenching of catalyst in the production of low molecular weight polycarbonates |
| 01/02/2002 | EP1165654A1 Highly branched polycondensates |
| 01/02/2002 | EP1165653A1 Batch process for the production of polycarbonate by interfacial polymerization |
| 01/02/2002 | EP1165652A1 Polycarbonates siutable for use in optical articles |
| 01/02/2002 | EP1165302A1 Device and method for degassing plastics, especially polycarbonate solutions of high molecular weight |
| 01/02/2002 | EP1165218A1 Device for mixing and reacting multiphase gaseous and liquid mixtures and use of this device |
| 12/26/2001 | CN1328098A Process for preparing degradable protecting film resisting against water and oil |
| 12/25/2001 | US6333394 Birefringence-reducing or ?soft block? units; melt polymerization or equilibration, of a precursor polycarbonate and a monomer, oligomer, or high molecular weight polycarbonate which is a source of other structural units; |
| 12/19/2001 | EP1163285A1 STATIC-RESISTANT POLYCARBONATES HAVING DI-t-ALKYLPHENYL END GROUPS |
| 12/19/2001 | EP1111012A9 Coating powders comprising macrocyclic oligomers |
| 12/13/2001 | WO2001094445A1 Method for preparing high molecular weight polycarbonate |
| 12/13/2001 | WO2001094444A1 Method for producing aliphatic oligocarbonate diols |
| 12/13/2001 | US20010051674 Composition forming artificial marble or granite |
| 12/13/2001 | US20010050194 Speaker unit, speaker system, and speaker diaphragm manufacturing method |
| 12/13/2001 | DE10027907A1 Production of aliphatic oligocarbonate diols, useful in the production of plastics, fibers, coatings and adhesives, comprises reaction of aliphatic diols with dimethyl carbonate in a multi-stage process. |
| 12/11/2001 | US6329495 Horizontal cylindrical agitation reactors provided with agitation blades successively linked without agitator center shaft |
| 12/06/2001 | WO2001093257A1 Vibration damping monolithic polymers |
| 12/06/2001 | WO2001092419A2 Data storage media containing transparent polycarbonate blends |
| 12/06/2001 | WO2001092371A1 Aromatic polycarbonate, composition thereof, and use |
| 12/05/2001 | EP1159331A1 Method for preparing polycarbonates of enhanced crystallinity |
| 12/05/2001 | CN1325416A Method for enhancing crystallinity of polycarbonates |
| 12/04/2001 | US6326459 Metathesis |
| 11/29/2001 | WO2001090215A1 Aromatic polycarbonate, composition comprising the same and moldings |
| 11/29/2001 | WO2001090213A1 Polycarbonate diol having high proportion of primary terminal oh |
| 11/29/2001 | US20010047073 Comprising two subsequent reaction steps, wherein in first step polycarbonate diol with molecular weight of 500 to 2000 is synthesized and in second step molecular weight of polycarbonate diol is increased |
| 11/29/2001 | US20010046505 An implantable medical device comprising a polyarylate, polymerized as a random block copolymer of a dicarboxylic acid with both tyrosine-derived diphenol and poly (alkylene oxide) in a specific ratio; used for drug delivery |
| 11/28/2001 | EP0837893B1 Production and use of liquid oligocarbonates derived from dimer diols |
| 11/28/2001 | CN1324375A Purification of solutions contg. polycarbonate |
| 11/28/2001 | CN1324324A Phosgene with poor carbon tetrachloride content |
| 11/27/2001 | US6323304 Contacting a diaryloxy compound with a dihydric phenol compound in the presence of catalyst comprised of alkali or alkaline earth metal-transition metal fluoride compound and in presence of cocatalyst |
| 11/27/2001 | US6323303 Polymerizing diaryloxy compound with a dihydric phenol compound in the presence of a ruthenium (ii) or ruthenium (iii) compound or complex; optionally in presence of a tetraalkyl ammonium or tetraalkyl phosphonium salt |
| 11/27/2001 | US6323302 Carbonic acid diester, aromatic polycarbonate and facilities, and preparation thereof |
| 11/21/2001 | EP1156071A1 A method for manufacturing polycarbonate |
| 11/21/2001 | EP1155737A1 Apparatus for manufacturing polycarbonate |
| 11/21/2001 | EP1155064A1 Addition of treatment agents to solid phase polymerization processes |
| 11/21/2001 | EP0996658B1 Method for producing polycarbonate |
| 11/21/2001 | EP0874643B1 Bioresponsive pharmacologically-active polymers and articles made therefrom |
| 11/21/2001 | CN1323331A Optical polycarbonate resin molding material and optical disk substrate |
| 11/21/2001 | CN1075084C Process for producing thermoplastic polycarbonate |
| 11/21/2001 | CN1075083C Process for producing polycarbonates |
| 11/20/2001 | US6320016 Use of polycarbonates containing iodine phenyl carbonate for producing special shaped parts |
| 11/20/2001 | US6320015 Process for producing aromatic polycarbonate |
| 11/20/2001 | US6319492 Copolymers of tyrosine-based polyarylates and poly(alkylene oxides) |
| 11/15/2001 | WO2001085844A1 Branched carbonate polymer composition |
| 11/15/2001 | WO2001085825A2 Method of polycarbonate preparation |
| 11/15/2001 | US20010041759 Melt processability; mixture with phosphorous acid, sulfur compound and fatty ester |
| 11/15/2001 | CA2405073A1 Branched carbonate polymer composition |
| 11/14/2001 | EP1153955A1 Polycarbonate resin and process for producing the same |
| 11/14/2001 | EP0710687B1 Process for producing aromatic polycarbonate |
| 11/14/2001 | CN1322220A Monocarboxylic acid-terminated polymers of carbon dioxide and alkylene oxide |
| 11/13/2001 | US6316592 Soluble polymer resins are separated from solution slurry containing polymer resin in both soluble form and solid particulate phase using precipitation aid which absorbs onto the surface of polymer particles |
| 11/13/2001 | US6316581 Bioresorbable copolymers |
| 11/13/2001 | US6316580 Polycarbonate resin |
| 11/13/2001 | US6316578 Heating mixture of diphenol and a diarylcarbonate; introducing catalyst comprising alkali and/or alkali earth metal salt of an nonvolatile acid and a base to obtain polycarbonate |
| 11/13/2001 | US6316577 Electrophotographic photoconductor and aromatic polycarbonate resin for use therein |
| 11/13/2001 | US6316576 Polycarbonate resin and process for producing the same |
| 11/13/2001 | US6316575 Melt transesterification of diol compound and carboante compound using catalyst comprising a phosphorus-containing basic compound quaternary phosphonium salt to form polycarbonate |
| 11/13/2001 | US6316522 Bioresorbable hydrogel compositions for implantable prostheses |
| 11/08/2001 | WO2001083614A1 Polycarbonate resin for optical disk substrate and optical disk substrate |
| 11/08/2001 | WO2001083588A1 Method for isolating polymer resin from solution slurries |
| 11/08/2001 | WO2001083584A1 Method for production of polycarbonate and filtering device |
| 11/08/2001 | WO2001083583A1 Interfacial method and apparatus for manufacture of polycarbonate |
| 11/08/2001 | WO2001083581A1 Process for producing aliphatic polyester carbonate |
| 11/08/2001 | US20010039313 Copolycarbonate of a 9,9-bis(hydroxyphenyl)fluorene compound, a polysiloxane endcapped with a hydroxyphenyl group, and a phenolic diol such as bisphenol a; reduced oblique incidence birefringence, moldability, good transparency |
| 11/08/2001 | US20010039311 Polycarbonatesiloxane copolymer made from an endcapped aromatic polysiloxane having silanediol, silanetriol, and silicate groups; segregates to the surface and uniformly distributes on surface of articles to impart flame resistance |
| 11/07/2001 | EP1151717A2 Dishwasher, in particular built in dishwasher with an optical operating status display |
| 11/07/2001 | EP1151027A1 Method for the preparation of bisphenol-a polycarbonate with reduced levels of fries |
| 11/06/2001 | US6313259 Ester interchange of aromatic diol and carbonic acid diester in presence of defoaming agent; colorless, discoloration inhibition |
| 10/31/2001 | EP1149852A1 Aromatic polycarbonate, process for producing the same, and molded article |
| 10/31/2001 | EP1149809A1 Composition forming artificial marble or granite |
| 10/31/2001 | CN1319621A Use of aliphatic tertiary position monoacid used as chain termination agent in preparing polyester carbonic ether |
| 10/31/2001 | CN1074017C Method for increasing molecular weight of polycondensates |
| 10/31/2001 | CN1074006C Coated plastic substrate |
| 10/31/2001 | CN1073879C Viscous liguid stirring device and process for producing polycarbonate by using stirring device |
| 10/24/2001 | EP1147144A1 Method for preparing copolycarbonates of enhanced crystallinity |