Patents
Patents for C08G 67 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing oxygen or oxygen and carbon, not provided for in groups (2,452)
08/1990
08/27/1990CA2010719A1 Aromatic polymers
08/20/1990CA2010203A1 Copolymers of carbon monoxide
08/15/1990CN1044663A Catalyst of synthesizing polycarbonate, polyester and polyether
08/14/1990US4948870 Polymerization process
08/14/1990US4948865 Terpolymer of carbon monoxide, olefin and functionally substituted olefin
08/08/1990CN1044469A Catalyst compsns.
08/07/1990US4946929 Biocompatible polyanhydrides
08/01/1990EP0380162A2 Catalyst compositions
08/01/1990CN1044283A Catalyst compositions
07/1990
07/31/1990CA1272165A1 Re-sealable packaging containers
07/26/1990CA2008443A1 Catalyst compositions
07/25/1990EP0379260A2 Catalyst compositions
07/24/1990US4943626 Primary polyether active hydrogen compounds which are prepared from linked, protectively initiated polyalkyleneoxides
07/17/1990CA1271877A1 Polymer preparation
07/17/1990CA1271771A1 Preparation of aromatic polymers
07/10/1990US4940777 Carbon monoxide/1,2-alkadiene copolymer
07/10/1990US4940776 Catalytic polymerization of carbon monoxide/olefin in the presence of insoluble particulate solid matter
07/10/1990US4940775 Polyketone from carbon monoxide/monoethylenically unsaturated hydrocarbon/non-conjugated alkadiene
07/10/1990US4940774 Carbon monoxide/olefin polymerization with diluent comprising aprotic solvent and water
07/10/1990US4940758 Polyalcohol
07/10/1990US4940683 Polymerization process
07/04/1990EP0376364A1 Polymers of carbon monoxide with one or more alpha-olefins
07/03/1990US4939180 Process of producing a composite membrane
07/03/1990CA1271291A1 Removal of catalyst remnants from ethene/co copolymers
06/1990
06/27/1990EP0374666A2 Continuous process for the manufacture of terpolymers of ethylene and vinyl esters
06/27/1990EP0374660A2 Process for the manufacture of copolymers of ethylene and vinyl acetate having particular strength properties, copolymers of ethylene and vinyl acetate, and use therefor
06/23/1990CA2006417A1 Process for the preparation of ethylene/vinyl acetate copolymers with increased strength, the new ethylene/vinyl acetate copolymers and their use
06/20/1990CN1043148A Thermosetting resin compositions
06/20/1990CN1043138A Polymers of carbon monoxide with one or more alpha-olefins
06/19/1990US4935396 Polymerization process
06/13/1990EP0372602A2 Thermoset resins
06/13/1990CN1042923A Polyketone polymer preparation
06/12/1990US4933431 Dehydrative coupling in presence of acid acceptor
06/12/1990US4933311 Catalyst for producing linear alternating polymers of carbon monoxide and olefin; palladium salt, anion of strong non-hydrohalogenic acid, bis(phosphino)propane ligand disubstituted in 2 position
06/06/1990CN1042717A Catalyst compositions
05/1990
05/29/1990US4929711 Process for converting polyketones to polyesters
05/29/1990US4929701 Polycarbonyls copolymers, ruthenium carbonyl catalysts
05/29/1990CA1269794A1 Copolymers of so.sub.2 and ethene
05/28/1990CA2003917A1 Polymers of carbon monoxide with one or more alpha-olefins
05/23/1990EP0369528A1 Catalyst compositions
05/23/1990CN1008102B Removal of catalyst remnants from ethene/co copolymers
05/22/1990CA1269485A1 Membrane
05/16/1990EP0368006A2 Copolymers containing polybenzoxazole polybenzothiazole and polybenzimidazole moieties
05/15/1990US4925918 Process for preparing polyketones with boron anion
05/15/1990US4925917 High molecular weight polycarbonyls
05/11/1990CA2002748A1 Catalyst compositions
05/09/1990CN1041946A Preparation of tetraaryl diphosphines
05/09/1990CN1007897B Novel catalyst compostions and process for the copolymerization of ethone with carbon monoxide
05/01/1990US4921938 Catalytic, diluent preparation of poly ketone having unsaturated terminal group
05/01/1990US4921937 Palladium complex catalyst
05/01/1990US4921897 Flame retardant composition containing zinc borate
04/1990
04/19/1990WO1990003995A1 Copolymers containing polybenzoxazole, polybenzothiazole and polybenzimidazole moieties
04/18/1990EP0364169A2 Polymeric peroxy ester and its use
04/18/1990EP0364046A2 Preparation of tetraaryldiphosphines
04/18/1990CN1041405A Process for perparation of thermoplastic fibres
04/11/1990CA2000455A1 Copolymers containing polybenzoxazole, polybensothiazole and polybenzimidazole moieties
04/10/1990US4916208 Containing carbon monoxide and unsaturated hydrocarbons; high monomeric unit purity; heat resistance
04/10/1990US4916204 Pure polyanhydride from dicarboxylic acid and coupling agent
04/04/1990EP0361623A2 Process for the preparation of polymers
04/04/1990EP0361584A2 Preparation of polyketone polymers
04/03/1990US4914184 Polymerization of co/olefin with halo monocarboxylic acid and non hydrogen halide acid
04/03/1990US4914183 Steady state preparation of high bulk density polymer of carbon monoxide and olefins
03/1990
03/28/1990EP0360359A1 Preparation of catalyst solution
03/28/1990EP0360358A2 Process for the preparation of thermoplastic fibres
03/27/1990US4912195 Polyarylene ether ketone
03/27/1990US4912181 Preparation of poly(arylene ether ketones) by sequential oligomerization and polyerization in distinct reaction zones
03/14/1990EP0358519A2 Graft copolymer
03/13/1990US4908425 Chain-extended poly(aryl ether ketones)
03/13/1990CA1266749A1 Preparation of poly(arylene ether ketones)
03/07/1990EP0357101A2 Copolymers of carbon monoxide
03/06/1990US4906474 Bioerodible polyanhydrides for controlled drug delivery
02/1990
02/27/1990US4904759 Catalytic polymerization with compound formed from palladium, acid anions and phosphorous or nitrogen bidentate ligand
02/22/1990WO1990001510A1 Stabilization of poly(arylene ether ketones)
02/22/1990WO1990001504A1 Maleic anhydride graft copolymer products having low yellowness index and preparation
02/21/1990CN1039816A Primary polyether active hydrogen compounds and method for making same
01/1990
01/31/1990EP0352819A2 Primary polyether active hydrogen compounds and process for preparing the same
01/25/1990WO1990000573A1 Ethersulphone polymers
01/23/1990US4895689 Process for preparing heat treated solution cast polyketone-based barrier polymer materials
01/23/1990US4895457 Radio frequency or microwaves, ethylene-carbon monoxide
01/17/1990EP0351023A1 Copolymers of carbon monoxide
01/16/1990US4894435 Polymerization of olefin/carbon monoxide with non-transition metal salt, bidentate p ligand and carboxylic acid ester
01/09/1990US4892697 Process for preparing melt processed polyketone-based barrier polymer materials
01/03/1990EP0349084A2 Polyketone derived products
01/03/1990CN1038455A Process for preparing polymers
01/02/1990US4891225 Sustained release
12/1989
12/27/1989CN1038287A Process for prepn. of polymers of carbon monoxide with olefinically unsaturated compounds
12/26/1989US4889956 Preparation of methoxy phenyl phosphides
12/26/1989US4889914 Preparation of carbon monoxide/olefin copolymer with removal of s/Fe from carbon monoxide monomer
12/26/1989US4889913 Catalysis with palladium compound, acid, triarylarsine, and phenolic compound
12/19/1989US4888176 Controlled drug delivery high molecular weight polyanhydrides
12/13/1989EP0345847A1 Process for the preparation of polymers
12/13/1989CN1037911A Process for preparing polymer of carbon monoxide and unsaturated compound
12/12/1989US4886870 Bioerodible articles useful as implants and prostheses having predictable degradation rates
12/06/1989EP0344547A2 Improved process for the production of perfluoropolyethers substantially comprising perfluorooxyethylene and perfluorooxypropylene units
12/05/1989US4885328 Linear alternating copolymer of carbon monoxide and ethylenically unsaturated hydrocarbon with alkaline earth hydroxide; nontoxic; for automobile parts
11/1989
11/29/1989EP0343889A2 Novel polyanhydrides
11/29/1989EP0343734A1 Catalyst compositions
11/28/1989CA1263405A1 Process for preparing neutral and functional perfluoropolyethers with controlled molecular weight
11/22/1989CN1037354A Process for coating solid object with polymeric material
11/21/1989US4882417 Preparation of olefin/CO copolymer with controlled addition of catalyst composition
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