| 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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| 12/30/2009 | CN101613468A Aromatic polycarbonate polymers |
| 12/29/2009 | US7638596 Crystallizing a plurality of polymer pellets includes a step in which the pellets passed through regions that are temperature adjusted by a heat transfer jacket |
| 12/29/2009 | US7638595 Method of recycling of commingled plastics waste to tough thermoplastic materials |
| 12/23/2009 | EP2134766A1 Modified polycarbonates, polyester carbonates having improved strain behavior and flame resistance |
| 12/23/2009 | CN101611074A Process for preparing polyether carbonate polyols |
| 12/23/2009 | CN101611073A Process for production of aromatic polycarbonate resin |
| 12/23/2009 | CN101610906A Multilayer composite having a layer of polycarbonate |
| 12/23/2009 | CN101608016A Copolycarbonate copolymer and process for producing the same, resin composition and shaping product |
| 12/23/2009 | CN100572418C Neutralization treatment method for catalyst used for preparing polycarbonate from aromatics dihydroxy compounds and diester carbonate, and neutralizing agent used for the same |
| 12/23/2009 | CN100572349C Method for purifying 1,1-bis(4'-hydroxy-3'-methylphenyl)cyclohexane and methods of producing polycarbonates therefrom |
| 12/22/2009 | US7635744 fluoropolymer copolymer used as membrane for fuel cell; polyelectrolytes; lower levels of water swelling |
| 12/16/2009 | CN101605836A Polycarbonate for making extruded films that are virtually free of surface defects |
| 12/16/2009 | CN101605835A Impact modified polylactide resins |
| 12/16/2009 | CN101602850A Method for preparing alternating copolymer of carbon dioxide and propylene epoxide catalyzed by using rare earth |
| 12/16/2009 | CN100569830C Method and device for preparing aliphatic poly carbonic acid |
| 12/10/2009 | WO2009148889A2 Methods of controlling molecular weight distribution of polymers and compositions thereof |
| 12/10/2009 | US20090305030 Reflective polymeric article and manufacture |
| 12/09/2009 | EP1786841B1 Ultrasound-assisted synthesis of cyclodextrin-based nanosponges |
| 12/09/2009 | CN101597376A Polyurethane propylene carbonate material and preparation method thereof |
| 12/09/2009 | CN101597375A Method for preparing copolymer of carbon dioxide and cyclohexene oxide in presence of rare earth catalyst |
| 12/09/2009 | CN100567398C Transparent, fire-resistant polycarbonate compositions |
| 12/09/2009 | CN100567374C Degradable temperature-sensitive chemically-crosslinked aquagel and its preparation method |
| 12/09/2009 | CN100567365C Polycarbonate resin and electrophotographic photosensitive member using same |
| 12/08/2009 | US7629432 Tert-butylhydroquinone polycarbonates |
| 12/08/2009 | US7629431 Oxidative carbonylation; molecular weight control |
| 12/03/2009 | US20090299032 Methods of Controlling Molecular Weight Distribution of Polymers and Compositions Thereof |
| 12/02/2009 | EP2128187A1 Method for producing molded article |
| 12/02/2009 | CN101595160A Polycarbonate resin and method for producing the same |
| 12/02/2009 | CN100564398C Method for preparing oligomerized carbonic acid polyol ester |
| 11/26/2009 | WO2009142227A1 Manufacturing method for polycarbonate resin granular material |
| 11/25/2009 | EP2123692A1 Terminal-modified polycarbonate and process for producing the same |
| 11/25/2009 | CN101585914A Aromatic polycarbonate, process for producing the same, polycarbonate composition, and hollow container obtained from the same |
| 11/25/2009 | CN101585828A Annular aliphatic carbonate monomer with three bond lateral group and preparation method |
| 11/24/2009 | US7622545 Producing polyethylene terephthalate resin having conventional catalysts such as antimony, titanium, tin or germanium compounds and glycol insoluble tungsten compound or tungsten trioxide or tungsten carbide as co-catalyst; tungsten compound increases rate of solid state polymerization and improves color |
| 11/19/2009 | WO2009140683A1 Living copolymer protein/peptide hybrids for biomedical applications |
| 11/19/2009 | WO2009138387A1 Use of a cyclohexane diol mixture for manufacturing polymers |
| 11/19/2009 | WO2009138175A1 Alkyl phenol for adjusting the molecular weight and copolycarbonate having improved properties |
| 11/19/2009 | WO2009066616A9 Method for production of isocyanate and aromatic hydroxy compound |
| 11/19/2009 | US20090286952 melt polymerization; impact resistance |
| 11/19/2009 | DE102008023800A1 Alkylphenol zur Einstellung des Molekulargewichtes und Copolycarbonat mit verbesserten Eigenschaften Alkylphenol for adjusting the molecular weight and copolycarbonate having improved properties |
| 11/18/2009 | CN101583652A Process for production of polycarbonate resin |
| 11/18/2009 | CN100560634C Method of preparing polycarbonate dihydric alcohol |
| 11/17/2009 | US7619053 Monomer solution for producing polycarbonate |
| 11/12/2009 | WO2009137540A1 Polymers of ethylene oxide and carbon dioxide |
| 11/12/2009 | WO2009097209A3 Cycloaliphatic polyester copolymer articles and methods for making articles therefrom |
| 11/12/2009 | US20090281274 Highly functional, hyperbranched polycarbonates and production and use thereof |
| 11/11/2009 | EP2115032A1 Process for preparing polyether carbonate polyols |
| 11/11/2009 | EP2114672A1 Multilayer composite having a layer of polycarbonate |
| 11/11/2009 | CN201343514Y Reaction device used for polymerization of carbon dioxide |
| 11/11/2009 | CN100558788C Branched polycarbonate resin and process for production thereof |
| 11/10/2009 | US7615605 Monomer solution for producing polycarbonate |
| 11/05/2009 | WO2009133672A1 Polycarbonate resin having ultraviolet absorbing capability, resin composition and optical material |
| 11/04/2009 | EP2113526A1 Polymer-(organo)clay complex, composition comprising the complex, sheet-like material comprising the complex or composition, and method for production of polymer-(organo)clay complex |
| 11/03/2009 | US7612161 Method for treating extremely small particles of plastic |
| 11/03/2009 | CA2632037C Method for producing surface-hardened pmma films which are highly glossy on both sides, free of gel bodies and can be manipulated in the "film-insert-moulding" method |
| 10/29/2009 | WO2009130182A1 Process for the preparation of polycarbonates |
| 10/29/2009 | US20090270586 Plant-derived component-containing polycarbonates and process for their production |
| 10/29/2009 | US20090268154 System and method to treat and prevent loss of visual acuity |
| 10/28/2009 | EP2112187A1 Process for the preparation of polycarbonates |
| 10/28/2009 | CN101568570A Method for washing polycarbonate article |
| 10/28/2009 | CN101568569A Tert-butylhydroquinone polycarbonates |
| 10/28/2009 | CN101565502A Catalyst for copolymerization of carbon dioxide and epoxy compounds, preparation method and applications thereof |
| 10/28/2009 | CN101565501A Phase boundary processes for preparing polycarbonates |
| 10/28/2009 | CN100554309C Method and apparatus to make high molecular weight melt polycarbonate |
| 10/27/2009 | US7608678 Hydrolytically degradable polymers and hydrogels made therefrom |
| 10/27/2009 | US7608677 Method for preparing polymeric organic iridium compositions |
| 10/22/2009 | WO2009127366A1 Polycarbonates having rearrangement structures, cyclic and linear oligomers and also improved flow behaviour |
| 10/22/2009 | US20090264550 Manufacturing method of a membrane and a membrane thereof, for emulsification |
| 10/22/2009 | DE102008019503A1 Polycarbonate mit Umlagerungsstrukturen, cyclischen und linearen Oligomeren sowie verbessertem Fließverhalten Polycarbonates having rearrangement structures, cyclic and linear oligomers and improved flow properties |
| 10/21/2009 | CN100551948C Transparent and high-heat polycarbonate-polysiloxane copolymers and transparent blends with polycarbonate and a process for preparing same |
| 10/15/2009 | WO2009126549A1 Processes for preparing polyestercarbonates |
| 10/15/2009 | WO2009125545A1 Method for producing polycarbonate polyol |
| 10/15/2009 | US20090259014 Process for preparing polyestercarbonates |
| 10/14/2009 | EP2108671A1 Polycarbonate resin and method for producing the same |
| 10/14/2009 | EP1572791B1 Recycle method for polycarbonate resin waste |
| 10/14/2009 | CN101558103A Method for producing molded article |
| 10/14/2009 | CN100549062C Inhibition of catalytically active impurities in polycarbonate by the melt transesterification process |
| 10/13/2009 | US7601795 Process for production of a carboxylic acid/diol mixture suitable for use in polyester production |
| 10/13/2009 | US7601794 Monomer solution for producing polycarbonate |
| 10/13/2009 | CA2309278C Biodegradable, anionic polymers derived from the amino acid l-tyrosine |
| 10/08/2009 | WO2009123083A1 Method for producing polycarbonate |
| 10/08/2009 | WO2008005623A3 Polycarbonates and method of preparing same |
| 10/07/2009 | EP1833876B1 Glycerol polycarbonate polyesters and other hydroxylated polymers and copolymers, acylation method and uses |
| 10/07/2009 | CN100546963C Process for the synthesis of bisphenol |
| 10/06/2009 | US7598411 Processes for producing carbonic ester and producing polycarbonate |
| 10/01/2009 | WO2009120235A1 Monomer solution for producing polycarbonate |
| 10/01/2009 | WO2009119454A1 Hydroxy compound, process for production thereof, and prepolymer and polyurethane each comprising the hydroxy compound |
| 09/30/2009 | EP2104698A1 Monomers for the preparation of silylated polycarbonate polymers |
| 09/30/2009 | EP1285027B2 Branched carbonate polymer composition |
| 09/30/2009 | CN101547957A Process for producing aromatic polycarbonate |
| 09/30/2009 | CN101544752A High-molecular-weight poly-5-methylene carbonate and preparation method thereof |
| 09/30/2009 | CN101544751A Biodegradable water-soluble polycarbonate and method for preparing same |
| 09/30/2009 | CN101544615A Cyclic di-polycarbonate, preparation method and application thereof |
| 09/24/2009 | US20090240025 Organic Zinc Catalyst, and Process for Production of Poly(Alkylene Carbonate) Using the Same |
| 09/24/2009 | US20090240021 Process for the preparation of polycarbonates and diaryl carbonate |
| 09/23/2009 | EP2101972A1 Method for producing homogeneously crystallized polycondensate pellets |
| 09/23/2009 | EP1489123B1 Copolycarbonate and heat-resistant part comprising the copolymer |
| 09/23/2009 | CN101541856A Polycarbonate resin and method for producing the same |
| 09/23/2009 | CN101541855A Process for production of polycarbonate resin |
| 09/23/2009 | CN101541854A Branched polycarbonate resins and processes to prepare the same |