Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521)
12/2003
12/31/2003CN1464063A Method for separating and refining polyhydroxy fatty acid ester in bacteria cell from bacteria fermentation liquor
12/31/2003CN1132973C Copolymer fiber
12/31/2003CN1132868C Method for preparing high molecular weight poly lactic acid by direct polycondensation
12/31/2003CA2489922A1 Methods and compositions for detection and analysis of polynucleotides using light harvesting multichromophores
12/30/2003US6670441 High gloss when applied to the skin
12/30/2003US6670429 Hard and soft segments, melting point is > 200 degrees c and the glass transition temperature is </= -40 degrees c
12/30/2003US6670427 Template-textured materials, methods for the production and use thereof
12/30/2003US6670404 Comminuting the contaminated polyurethane foam, thereby preparing a first polymeric foam powder; quenching the formed powder, thus forming second polymeric foam powder
12/30/2003US6670033 Dissolving anhydrosugar alcohol in lower aliphatic alcohol to form solution, cooling to temperature sufficient to form crystals, separating purified crystals from solution
12/30/2003US6669850 Adsorption of fluid containing polycarbonate, carbazole polymer, polyarylate, or copolyester with alumina or magnesium sulfate
12/28/2003CA2433732A1 Crystallizable polylactone copolymers prepared from mono-and di-functional polymerization initiators
12/25/2003WO2003106531A1 Process for making poly(ethylene-co-isosorbide) terephthalate polymer
12/25/2003US20030236386 Catalytic polymerizing a diol with a dicarboxylic acid or a dicarboxylate in the presence of a titanate catalyst, heating to form an intermediate molecular weight polyester, heating in solvent to form high molecular weight
12/25/2003US20030236385 An oxidation resist polyester films comprising a stabilizer covalently bonding with the polymer through polycondensation reaction; melt extrusion to form a flat films, biaxially stretching; thermal transfer ribbon, a packaging material
12/25/2003US20030236320 Polyhydroxyalkanoate compositions having controlled degradation rates
12/25/2003US20030236319 Flexibility; knot stability; high speed absorption
12/25/2003US20030233933 Methods for the preparation of polyesters, poly (ester amide) s and poly (ester imide) s and uses of the materials obtained therefrom
12/24/2003WO2003106539A1 Biodegradable resin, biodegradable resin composition, biodegradable molded object, and process for producing biodegradable resin
12/24/2003WO2003106532A1 Process for producing polyester resin
12/24/2003WO2003106530A1 Polytrimethylene terephthalate resin
12/24/2003WO2003106383A2 Poly(1,3-propylene-co-1,4:3,6-dianhydro-d-sorbitol terephthalate) and manufacturing process
12/24/2003CN1131901C 织轴及上浆方法 Woven shaft and sizing methods
12/23/2003US6667416 Reacting polyethylene terephalate with polyol and dissocyanate
12/23/2003US6667385 Membrane extracting lactic acid containing waste material using organic alkaline heterocyclic amine solution; crystal-lizing, disassociating, cyclizing and purifying
12/23/2003US6667383 Polyester resin and process for its production
12/23/2003US6667381 Reacting maleic anhydride, a C2-20 glycol and hydrogen in presence of hydrogenating catalyst to produce aliphatic oligoester; polycondensing in presence of transesterification catalyst to produce polyester; reacting with carbonic diester
12/23/2003US6667371 Having hydrophilic and hydrophobic blocks; encapsulation or solubilization of water insoluble materials; sustained release encapsulation
12/23/2003US6666990 Stretchable liquid crystal polymer composition
12/18/2003WO2003104314A1 Method for treatment of polyester materials
12/18/2003WO2003104299A1 Method for the production of esters of polyalcohols
12/18/2003WO2003104298A1 Process for producing polyester and polyester resin
12/18/2003WO2003104297A1 Polyester resin and cellular porous medium obtained therefrom
12/18/2003WO2003053904A3 Purification of a crude acid mixture
12/18/2003US20030232960 Heating mixture of propylene glycol and isosorbide and terephthalic acid or its alkyl ester under pressure; removal of distillate comprising water or volatile alkanol products; continuing reaction in presence of polycondensation catalyst
12/18/2003US20030232959 Process for making poly(ethylene-co-isosorbide) terephthalate polymer
12/18/2003US20030232958 Method for preparing poly(cyclohexane-1,4-dicarboxylate)s from cyclohexane-1,4-dicarboxylic acid, and composition
12/18/2003US20030232930 Optical alignment layers for inducing alignment of a liquid crystal medium
12/18/2003US20030232927 Hybrid polymer materials for liquid crystal alignment layers
12/18/2003US20030232923 Pseudo cross-link type resin composition, molding material, sheet or film, and optical element obtained therefrom
12/18/2003US20030232268 Toner process
12/17/2003EP1370603A1 Phosphorus containing materials, their preparation and use
12/17/2003EP1370249A1 Novel dendriticpolymers and their biomedical uses
12/17/2003EP1370154A1 Degradable elastomers for chewing gum base
12/17/2003EP1370151A1 Biodegradable chewing gum and method of manufacturing such chewing gum
12/17/2003EP1370149A1 Degradable resin substitute for chewing gum
12/17/2003EP1088018B1 Ether/ester dispersants
12/17/2003CN2592645Y Apparatus for continuous production from crude terephthalic acid to polythylene glycol terephthalate
12/17/2003CN1462295A Aminoplast-based crosslinkers and powder coating compositions containing such crosslinkers
12/17/2003CN1462288A Free-flowing, amphiphilic non-ionic oligoesters
12/17/2003CN1462287A Aromatic polyester and polyster resin composition
12/17/2003CN1131281C Composition containing aliphatic-aromatic copolyester
12/17/2003CN1131258C Propn. of copolyether ester
12/17/2003CN1131252C Acrylic modified waterbone alkyd or carbamate modified alkyd resin dispersions
12/16/2003US6664366 Interfacial polymerization of a 1,3-dihydroxybenzene moiety and aromatic dicarboxylic acid moieties to create polyesters free of anhydride linkages
12/16/2003US6664363 Low viscosity polyester polyols and methods for preparing same
12/16/2003US6664341 Liquid-crystal polyester resin composition
12/16/2003US6664015 Sulfonated polyester-siloxane resin
12/16/2003US6663961 Process for preparation of polyester-based polymers
12/16/2003CA2100231C Process for the production of low-fog flexible polyester polyurethane foams and their use in vehicles
12/11/2003WO2003102046A1 Hybrid polymer materials for liquid crystal alignment layers
12/11/2003WO2003102045A1 Hybrid polymer materials for liquid crystal alignment layers
12/11/2003WO2003031507A3 Polyester and polyamide compositions of low residual aldehyde content
12/11/2003WO2002046286A3 Polyester compositions for hot-fill containers
12/11/2003US20030228479 Process for profile extrusion of a polyester
12/11/2003US20030227816 Apparatus for continuous stirring and process for continuous polycondensation of polymer resin
12/10/2003EP1369169A2 Apparatus for continuous stirring and process for continuous polycondensation of polymer resin
12/10/2003EP1368849A2 Gel-type polymer electrolyte and use thereof
12/10/2003EP1368406A2 Optimization of polycarbonate preparation by transesterification
12/10/2003EP1368405A1 Flame retardant polyester film
12/10/2003EP1368404A1 Sulfoisophthalic acid solution and process therewith
12/10/2003EP1368387A2 Microencapsulated biologically active substances that contain a water-soluble or water-dispersible comb polymer
12/10/2003EP1368297A2 Synthesis and use of dimethyl-1,5-naphthalenedicarboxylates and intermediates therefrom
12/10/2003EP1217023B1 Process for producing alkyd resin
12/10/2003EP1171509B1 Condensation polymer containing esteralkylamide-acid groups
12/10/2003EP1165652B1 Polycarbonates siutable for use in optical articles
12/10/2003CN1461321A Lactic acid polymer and process for producing the same
12/10/2003CN1461252A Device and method for thermal secondary treatment of polymer plastic material in granulate form
12/10/2003CN1130411C Process for producing polyhydroxycarboxylic acid
12/10/2003CN1130285C Thermal shrinkage polyester film and its producing process
12/10/2003CN1130267C Chelate-forming porous hollow fiber membrane and method for recovery of germanium oxide with same
12/09/2003US6660827 Conduits, grafts, and/or catheteters comprising water-insoluble copolymer having bioresorbable region (polylactone), hydrophilic region (polyvinyl alcohol), and crosslinkable olefinic groups; drug delivery
12/09/2003US6660826 Polyether ester carbonates
12/09/2003US6660825 Containing epsilon-caprolactone and a dibasic acid as constructing component units and an organic diisocyanate can provide a spandex filament which is excellent in elasticity, strength, hydrolysis resistance, and heat resistance
12/09/2003US6660810 Non cross-linked block polyetherester, preparation and uses
12/09/2003US6660804 Cyclodextrin polymers and/or cyclodextrin derivatives with complexing properties and ion-exchange properties and method for the production thereof
12/09/2003US6660182 Blends of stretchable liquid crystal polymers with thermoplastics
12/09/2003US6659898 Endless belt comprising molding obtained by mixing while heating crystalline resin and amorphous resin, each having at least one hydroxyl group, carboxyl group or ester linkage, conductive carbon black and polymerization catalyst, molding
12/09/2003CA2297008C Large polyester containers and method for making same
12/09/2003CA2115130C Process of preparing an absorbable polymer
12/05/2003CA2748429A1 Amphiphilic polymers for medical applications
12/04/2003WO2003099910A1 Hyperbranched polymers
12/04/2003WO2003099903A1 A process for the preparation of dicyclopentadiene modified polyester resins
12/04/2003WO2003099902A1 Method for producing polyesterpolyols of polyvalent alcohols
12/04/2003WO2003099257A1 Styrene-free unsaturated polyester resin compositions
12/04/2003WO2003063790A3 Additives and products including oligoesters
12/04/2003WO2003056297A3 Self-assembling polymers, and materials fabricated therefrom
12/04/2003WO2002098948A9 Reduction of friability of poly (trimethylene terephthalate)
12/04/2003WO2002026864B1 Polyether, active-hydrogen ingredient, resin-forming composition, and process for producing foam
12/04/2003US20030224494 Polyhydroxyalkanoate-containing structure and manufacturing method thereof
12/04/2003US20030224278 Resin binder for toner