| Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521) | 
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| 10/20/2011 | US20110257357 Apparatus for heat treatment of polyester particle and method of multistage solid-phase polycondensation of polyester particle | 
| 10/20/2011 | US20110257349 Apparatus for heat treatment of polyester particle and method of multistage solid-phase polycondensation of polyester particle | 
| 10/20/2011 | US20110257346 Polyester Ethers Derived From Asymmetrical Monomers Based Upon Bisanydrohexitols | 
| 10/20/2011 | US20110257343 Multifunctional Degradable Nanoparticles with Control over Size and Functionalities | 
| 10/20/2011 | US20110257273 Polyester resin and purposes thereof | 
| 10/20/2011 | US20110256331 Ultra-high iv polyester for extrusion blow molding and method for its production | 
| 10/20/2011 | US20110256234 Carrier system for subsequent application onto substrates and method therefor | 
| 10/20/2011 | US20110255042 Method for making a treated polymer for a liquid crystal alignment agent, the treated polymer made thereby, and liquid crystal alignment agent, liquid crystal alignment film and liquid crystal display element containing the treated polymer | 
| 10/20/2011 | CA2795918A1 Ultra-high iv polyester for extrusion blow molding and method for its production | 
| 10/19/2011 | EP2377858A1 Method for producing glycolide | 
| 10/19/2011 | EP2377857A1 Glycol compound having dioxane structure and manufacturing method therefor | 
| 10/19/2011 | EP2376222A1 Catalytic systems for polymerising cyclic esters | 
| 10/19/2011 | CN102224251A Method for producing poly-3-hydroxyalkanoate and agglomerate of poly-3-hydroxyalkanoate | 
| 10/19/2011 | CN102220657A Hygroscopic polyester staple fiber and preparation method thereof | 
| 10/19/2011 | CN102220656A Novel preparation technology for fine denier polyester pre-oriented yarn | 
| 10/19/2011 | CN102219984A Antistatic copolyester and production method and application | 
| 10/19/2011 | CN102219924A Device for separating cotton-polyester blended fabrics and repolymerizing polyester | 
| 10/19/2011 | CN102219894A Method for producing semi-dulling titanium series polyester | 
| 10/19/2011 | CN102219893A Continuous polymerization method for polyether ester copolymer | 
| 10/19/2011 | CN102219892A Preparation method of polyethylene glycol monomethyl ether-dl-polylactic acid block copolymer | 
| 10/19/2011 | CN102219891A Method for preparing poly-oxalate-1,4-butylene | 
| 10/19/2011 | CN102219890A Method for producing titanium polyester | 
| 10/19/2011 | CN102219889A Process for producing aliphatic polyester reduced in residual cyclic ester content | 
| 10/19/2011 | CN102219882A Method for synthesizing unsaturated polyester resin by utilizing glycerol | 
| 10/19/2011 | CN101824208B Preparation method of aqueous polyester polyol dispersoid | 
| 10/19/2011 | CN101792522B Water-white transparent yellowing-resistant alkide resin and preparation method thereof | 
| 10/19/2011 | CN101671433B Method for preparing transparent alicyclic polyester with low stress optical coefficient | 
| 10/19/2011 | CN101412805B Catalyst for polymerization of polyester, polyester and process for preparing polyester | 
| 10/19/2011 | CN101255235B Thermo-sensitive tri-block copolymer having sol-gel conversion characteristic and preparation thereof | 
| 10/18/2011 | US8039581 Thermal crystallization of a molten polyester polymer in a fluid | 
| 10/18/2011 | US8039578 Polyester composition with modifier hydroxyl compound | 
| 10/18/2011 | US8039576 Aromatic ether and alkynyl containing phthalonitriles | 
| 10/18/2011 | US8039551 Modified epoxy resins comprising the reaction product of rosin and a linking molecule and aqueous dispersions and coatings comprising such resins | 
| 10/18/2011 | US8039548 Method for purifying hydroxycarboxylic acid, method for producing cyclic ester, and method for producing polyhydroxycarboxylic acid | 
| 10/18/2011 | CA2466255C Ytterbium(iii) acetylacetonate as a catalyst for the preparation of aliphatic oligocarbonate polyols | 
| 10/18/2011 | CA2337328C Biocompatible polymers, preparation method and compositions containing same | 
| 10/13/2011 | WO2011125795A1 Polymer derived from dehydroabietic acid and uses thereof | 
| 10/13/2011 | WO2011124833A1 Block copolymer derived from renewable materials and method for making such a block copolymer | 
| 10/13/2011 | WO2011073222A3 Hyperbranched polyester having a hydrophobic core for solubilizing active ingredients of low solubility | 
| 10/13/2011 | US20110251368 Method and apparatus for processing of plastic material | 
| 10/13/2011 | US20110251349 Branched pha compositions, methods for their production, and use in applications | 
| 10/13/2011 | US20110251342 Method for preparing a polyester resin in which isosorbide is copolymerized | 
| 10/13/2011 | US20110251340 Production of non-solid-stated polyester particles having solid-stated properties | 
| 10/13/2011 | US20110250401 Method of Producing a Component of a Device, and the Resulting Components and Devices | 
| 10/13/2011 | US20110250283 Pentablock Polymers | 
| 10/13/2011 | US20110250144 Rgd-containing peptidomimetics and uses thereof | 
| 10/13/2011 | CA2795729A1 Sophorolipid analog compositions | 
| 10/12/2011 | EP2374895A1 Method for producing lactic acid and method for producing polylactic acid | 
| 10/12/2011 | EP2374833A1 Method for using cyclic carbodimide | 
| 10/12/2011 | EP2373714A1 Low voc aqueous polymer dispersions | 
| 10/12/2011 | EP2373356A1 Copolymers having polyisobutylene and biodegradable polymer segments | 
| 10/12/2011 | EP1290062B1 Use of stannylenes and germylenes as polymerisation catalysts for heterocycles | 
| 10/12/2011 | CN202007207U PET (polyethylene terephthalate) slice producing equipment | 
| 10/12/2011 | CN102217108A Power led device with a reflector made of aromatic polyester and/or wholly aromatic polyester | 
| 10/12/2011 | CN102216367A Polyestercarbonate copolymers with high scratch resistance | 
| 10/12/2011 | CN102212310A Method for preparing unsaturated polyester polyurethane block copolymer water-borne UV coating | 
| 10/12/2011 | CN102212309A Method for preparing unsaturated polyester polyurethane block copolymer solventless coating | 
| 10/12/2011 | CN102212258A Modified poly(lactic acid) masterbatch prepared from poly(lactic acid) residual material or waste material and application thereof | 
| 10/12/2011 | CN102212242A Method for preparing unsaturated polyester polyurethane block copolymer composite material | 
| 10/12/2011 | CN102212198A Double-arm star polylactic acid-polydimethylaminoethyl methacrylate amphiphilic block copolymer and preparation method thereof | 
| 10/12/2011 | CN102212197A Hyperbranched star polylactic acid-polydimethylaminoethyl methacrylate amphiphilic block copolymer and preparation method thereof | 
| 10/12/2011 | CN102212194A Method for preparing organic polymer through particle phase polymerization reaction | 
| 10/12/2011 | CN102212189A Preparation method for epoxy polyester plasticizer | 
| 10/12/2011 | CN102212188A Polyester resin for aqueous coil coating and preparation method thereof | 
| 10/12/2011 | CN102212187A Liquid crystal thermoset oligomer or polymer and thermoset composition and plate containing the same | 
| 10/12/2011 | CN102212186A Mechanical sealing, lubricating, cooling and circulating system of PET (poly(ethylene terephthalate)) final polymerization kettle | 
| 10/12/2011 | CN102212185A Method for preparing high-melting-point polylactic acid composite material | 
| 10/12/2011 | CN102212180A Microcellular polyurethane elastomer and preparation method thereof | 
| 10/12/2011 | CN102212174A Transparent reaction type phosphorus-boron-silicon flame-retardant unsaturated polyester and preparation method thereof | 
| 10/12/2011 | CN102212173A Method for synthesizing unsaturated polyester resin for artificial marble | 
| 10/12/2011 | CN102212172A Resin special for anchoring agent and preparation method thereof | 
| 10/12/2011 | CN101460242B Process for continuous preparation of high molecular weight polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acids with diols and/or mixtures thereof and a | 
| 10/12/2011 | CN101384641B Polyether-polylactic acid composition and polylactic acid film containing same | 
| 10/11/2011 | US8034896 Method and system for degassing polymer powder | 
| 10/11/2011 | US8034892 Biocidal polymer and process for preparing the same | 
| 10/11/2011 | CA2621979C Aluminum/alkaline or alkali/titanium containing polyesters having improved reheat, color and clarity | 
| 10/11/2011 | CA2237578E Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide) | 
| 10/06/2011 | WO2011123632A1 Branched polyester polymers and coatings comprising the same | 
| 10/06/2011 | WO2011123610A1 High functionality polyesters and coatings comprising the same | 
| 10/06/2011 | WO2011123380A2 Integrated underwater melt cutting, solid-state polymerization process | 
| 10/06/2011 | WO2011123165A1 Biaxially oriented polyactic acid film with reduced noise level | 
| 10/06/2011 | WO2011122878A2 Heat-shrinkable polyester-based film and heat-shrinkable polyester-based label | 
| 10/06/2011 | WO2011122626A1 Polylactic acid composition, foam-molded article thereof and method for producing same | 
| 10/06/2011 | WO2011120907A1 Process for preparing polyester alcohols and use thereof for preparation of polyurethanes | 
| 10/06/2011 | WO2011120653A1 Colored polyester | 
| 10/06/2011 | US20110245912 Radiopaque iodinated and iodide-containing crystalline absorbable aliphatic polymeric materials and applications thereof | 
| 10/06/2011 | US20110245456 Biodegradable polymer microparticles and preparation method thereof | 
| 10/06/2011 | US20110245452 Integrated Underwater Melt Cutting, Solid-State Polymerization Process | 
| 10/06/2011 | US20110245366 Process for preparing polyester alcohols and use thereof for preparation of polyurethanes | 
| 10/06/2011 | US20110245176 Novel peptides that bind to the erythropoietin receptor | 
| 10/06/2011 | US20110243881 Biocompatible polymers, process for their preparation and compositions containing them | 
| 10/06/2011 | US20110240918 Optically active compound having polymerizable group and its polymer | 
| 10/06/2011 | US20110240353 Method for producing liquid-crystalline polyester powder | 
| 10/06/2011 | CA2793986A1 High functionality polyesters and coatings comprising the same | 
| 10/06/2011 | CA2793691A1 Branched polyester polymers and coatings comprising the same | 
| 10/06/2011 | CA2793431A1 Polylactic acid composition, foam molded article thereof and method of producing the same | 
| 10/05/2011 | EP2371876A2 Method for preparing a polyester resin | 
| 10/05/2011 | EP2371875A2 Method for preparing a polyester resin in which isosorbide is copolymerized | 
| 10/05/2011 | EP2371874A1 Ethylene terephthalate-based polyester resin for molding container and process for producing same | 
| 10/05/2011 | EP2371805A1 Method for the manufacture of oligo- and polyesters from a mixture of carboxylic acids obtained from suberin and/or cutin and the use thereof |