Patents for C08G 63 - Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule (41,521)
06/1997
06/17/1997US5639851 High strength, melt processable, lactide-rich, poly(lactide-CO-P-dioxanone) copolymers
06/17/1997US5639560 Powder composition of crystalline polyesters containing end methacrylyl groups
06/12/1997WO1997020899A1 Radiation cross-linkable branched polyester compositions which are water-dispersible and processes
06/12/1997WO1997020886A1 Process including glycolysis and subsequent purification for recycling polyester materials
06/12/1997DE19650568A1 Biodegradable composition with starch chemically bonded to polyethylene@
06/12/1997CA2239003A1 Process including glycolysis and subsequent purification for recycling polyester materials
06/11/1997EP0778306A2 Degradable aliphatic-aromatic block polyester carbonates and their preparation
06/11/1997EP0778304A2 Hydrophobic resorbable polyesters and their use
06/11/1997EP0777664A1 Integrated process for the manufacture of lactide
06/10/1997US5637745 Organometallic compounds and polymers made therefrom
06/10/1997US5637655 Cyclic carbonate is transesterified with polymer resin
06/10/1997US5637638 Water dispersible
06/10/1997US5637631 Reacting two or more kinds of aliphatic polyester homopolymers in presence of catalyst in reaction mixture containing solvent
06/10/1997US5637398 Polyester fiber
06/10/1997US5637356 Polyester formed of monomers comprising dibasic carboxylic acids, tribasic carboxylic acids, mixture of diols and hydroxyamines, including cyclohexenyl group-containing dibasic acid
06/10/1997US5637253 Chiral smectic liquid crystal compound, chain polymeric liquid crystal copolymer compound, their polymeric liquid crystal composition, a polymeric liquid crystal device which uses them, and apparatus and method which uses the same
06/10/1997US5637120 Polyoxyalkylene polylactone aminocarbamates and fuel compositions containing the same
06/05/1997WO1997019996A1 Copolymers of tyrosine-based polycarbonate and poly(alkylene oxide)
06/05/1997WO1997019974A1 Polyesters modified with 1,4-cyclohexanedimethanol having high clarity prepared utilizing an antimony containing catalyst/stabilizer system
06/05/1997WO1997019973A1 Novel hydrogels containing triblock copolymers, and preparation and use thereof
06/05/1997WO1997019948A1 Compound, preparation and use
06/05/1997DE19544670A1 Preparation of oligomeric condensates used in compositions
06/05/1997CA2236143A1 Compound, preparation and use
06/04/1997EP0776965A2 Polymer compositions
06/04/1997EP0776372A1 Process for the recovery of polyhydroxyalkanoic acid
06/04/1997EP0776371A1 Production of polymers of hydroxyalkanoic acids
06/04/1997EP0651779B1 Condensation products containing n,o-acetal- or carbonamide structures, methods of preparing them and their use
06/04/1997EP0582567B1 POLY-$g(b)-HYDROXY ALKANOATE (PHA) COPOLYMER, METHOD OF ITS PRODUCTION, THE MICROBE WHICH PRODUCES IT, AND PHA COPOLYMER BLEND
06/03/1997US5635590 Process and polycondensation apparatus for the treatment of contaminated ethylene glycol
06/03/1997US5635589 Increasing the molecular weight of condensation polymers by heating and stirring under flow of low pressure inert gas
06/03/1997US5635585 Polyesterether copolymers
06/03/1997US5635584 Process including glycolysis and subsequent purification for recycling polyester materials
06/03/1997US5634282 Radiant heater system for solid phase crystallization and polymerization of polymers
05/1997
05/29/1997WO1997019126A1 Block copolyester, process for the production thereof and compositions containing the same
05/28/1997EP0775720A1 Semi-rigid polycaprolactone film and process for producing the same
05/28/1997EP0719168B1 Block polymers containing ester groups as anti-foaming agents for aqueous systems
05/28/1997EP0719167B1 Ester group-containing block polymers suitable as anti-foaming agents for aqueous systems
05/28/1997EP0407617B1 Process for the preparation of a biocompatible polyester
05/28/1997CN1150595A Method of preparing polycarbonate-polysiloxane block copolymers
05/27/1997US5633343 High strength, fast absorbing, melt processable, gycolide-rich, poly(glycolide-co-p-dioxanone) copolymers
05/27/1997US5633342 Polymer blends; containing promoters and catalyst
05/27/1997US5633340 Polyester molding compositions
05/27/1997US5633339 Use of tertiary aliphatic monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates
05/27/1997US5633315 Thermosets from water-extended polyetherester emulsions
05/23/1997CA2190522A1 Poly-¯-caprolactone semi-rigid film; method of fabrication
05/22/1997WO1997018253A1 Thermally stable polyesters formed utilizing antimony compounds as catalysts
05/22/1997DE19542928A1 Production of polymers
05/21/1997EP0774495A1 Optical recording elements containing new polymeric cyanine dyes with reduced bubble formation
05/21/1997EP0774478A2 Polycarbonate redistribution method
05/21/1997EP0774477A2 Copolyesters and molded articles comprising the same
05/20/1997US5631344 Biodegradable
05/20/1997US5631343 Enzymatic synthesis
05/20/1997US5631330 Reaction of hydroxybenzoic acid with hydroxy functional polymer, esterification, crosslinking with amino resins, coatings
05/20/1997US5631015 Sustained release of drugs with bioabsorbable lactone polymer
05/20/1997CA2057200C Polymeric whitening agent
05/15/1997WO1997017459A1 Process to recover polyesters from transgenic plants
05/15/1997WO1997017391A1 Process for producing polyethylene naphthalate
05/15/1997CA2209994A1 Process for producing polyethylene naphthalate
05/14/1997EP0773482A1 Apparatus for transferring a toner image from an image-forming medium to a receiving material
05/14/1997EP0773313A1 Flame retardant safety belts containing phosphorous-modified polyester fibres
05/14/1997EP0773249A1 Polyphenylene co-polymers
05/14/1997EP0773248A1 Polymers with heterocyclic side groups
05/14/1997EP0773140A1 Flame retardant fabrics containing phosphorus-modified polyester fibres, airbags therefrom and their use
05/14/1997EP0772641A1 Melt-processible poly(ester urethane) and a process for the preparation thereof
05/14/1997CN1149880A Oximino silane terminated polymers and elastomers formed therefrom
05/14/1997CN1149746A Circuit protective device comprising PTC condcutive liquid crystal polymer composition
05/14/1997CN1149596A Stable dioxaneone polymer
05/14/1997CN1034871C 聚酯塑料瓶 PET plastic bottles
05/13/1997US5628947 Lengths of quenching, dewatering and drying sections have been selected so as to produce desired surface temperature, so there is no residual water which could interfare with crystallization
05/13/1997CA2097795C Vibration damping resins and vibration damped composites
05/09/1997WO1997016473A1 Polyesters and processes for preparing same
05/09/1997WO1997016401A1 Reaction mixtures containing substituted hydrocarbon diols and processes for the preparation thereof
05/07/1997EP0771849A2 Polymer blends containing polyoxaesters
05/07/1997EP0771832A2 Blends of absorbable polyoxaesters containing amines and/or amido groups
05/07/1997EP0771831A1 Elastic fibers, process for producing the same, and polyester elastomer to be used therein
05/07/1997EP0771581A2 Precipitation of polymers from solvent polymer blends
05/07/1997EP0771337A1 Liquid crystalline copoly(ester-imide)s and a process for the preparation thereof
05/07/1997EP0771336A1 Hydroxy-functional thermoplastic polyesters
05/07/1997EP0771335A1 Copolyesters having improved weatherability
05/07/1997EP0686166B1 Process and polycondensation plant for processing impure ethylene glycol
05/07/1997CN1149303A Novel sulfonated polyesters as finishing agents in detergent, rinsing, softening and textile treatment compositions
05/07/1997CA2189520A1 Blends of absorbable polyoxaesters containing amines and/or amido groups
05/06/1997US5627293 Hydrogenation of double and triple bonds after reaction of butyllithium with iron complex
05/06/1997US5627255 Engineering thermoplastics to be used in place of metals or glass
05/06/1997US5627252 Silyl group containing organic polymers
05/06/1997US5627233 Biocompatability
05/02/1997EP0770634A2 Lengthened difunctional perfluoropolyether oils and rubbers prepared therewith
05/02/1997EP0770589A2 Process for the preparation of bisphenols using new co-catalysts
05/02/1997EP0770577A1 Fullerene derivatives as free-radical scavengers
05/02/1997EP0770104A1 Increase in molecular weight of polycondensates
05/02/1997EP0770053A1 Positive photoactive compounds based on 2,6-dinitrobenzyl groups
05/02/1997EP0707626B1 Detergent compositions comprising soil release agents
05/02/1997EP0648236B1 Resins and compositions for the manufacture of high modulus heat-resistant materials and moulded articles produced from such materials
05/01/1997WO1997015681A1 Methods for isolating polyhydroxyalkanoates from plants
05/01/1997WO1997015634A1 Water based inks containing near infrared fluorophores
05/01/1997WO1997015609A1 Method for the synthesis of environmentally degradable block copolymers
05/01/1997WO1997015608A1 Bioresorbable material and method for producing the same
04/1997
04/30/1997CN1148860A Polyester film
04/30/1997CN1034719C Polyester polymer suitable for refilling pressure bottle and mfg. method thereof
04/29/1997US5625029 Biodegradable poly (3-Hydroxyalkanoate) compositions and blends