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)
10/1992
10/07/1992CN1065074A Catalyst compositions
10/06/1992US5153280 Preparation of sulphonated polyketones
09/1992
09/30/1992EP0506168A1 Catalyst compositions
09/23/1992EP0504985A1 Polymers of carbon monoxide with unsaturated compounds
09/22/1992CA2063481A1 Catalyst compositions
09/16/1992CN1064487A Catalyst compositions
09/15/1992US5147840 Catalyst for polymerization of carbon monoxide with olefin
09/09/1992CN1064281A Polymer preparation
09/08/1992US5145947 Copolymerization of co/olefin by transmitting power to polymer slurry
09/08/1992US5145938 Preparation of poly(arylene ether ketones)
09/08/1992US5145823 Polymerization process
09/02/1992EP0501586A2 Polymers of carbon monoxide with olefinically unsaturated compounds
09/02/1992EP0501576A2 Polymer preparation
08/1992
08/29/1992CA2061895A1 Polymers of carbon monoxide with olefinically unsaturated compounds
08/27/1992CA2061726A1 Polymer preparation
08/27/1992CA2061720A1 Catalyst compositions
08/18/1992US5140080 Process for converting polyketones to poly(keto-esters)
08/12/1992EP0498283A2 Copolymers of dicarboxylic acids and salicylic acids
08/11/1992US5138032 Catalysis using catalyst composition formed from palladium compound, anion of strong non-hydrohalogenic acid and bidentate ligand of phosphorus to form polyketones
08/11/1992US5137858 Catalyst composition containing monophosphines
08/11/1992US5137857 Catalytic reaction of carbon monoxide and ethylenically unsaturated hydrocarbon
08/05/1992EP0489085A4 Rigid-rod polymers
07/1992
07/28/1992CA1305695C Catalyst compositions and process for olefin/co copolymerization
07/23/1992WO1992012193A1 Process for converting solid and liquid polyketones to polyesters
07/23/1992WO1992012185A2 Photodegradable and biodegradable polyethylene copolymers
07/08/1992CN1017340B Process for preparing polymers of carbon monoxide with one or more olefinically unsaturated compounds
07/07/1992US5128438 Polymerization of carbon monoxide and ethylenically unsaturated carboxylic acid
07/01/1992CN1062355A Catlyst composition and process for preparation of polymers
07/01/1992CN1062354A Catalyst compositions
06/1992
06/25/1992WO1992010524A1 Composition of an ethylene/carbon monoxide copolymer
06/25/1992CA2075190A1 Composition of an ethylene/carbon monoxide copolymer
06/17/1992EP0490452A2 Catalyst compositions and process for the preparation of polymers
06/17/1992EP0490445A2 Catalyst compositions
06/17/1992EP0489872A1 Stabilization of poly(ether ketone ketones).
06/16/1992US5122591 Polymerization of co/olefin with increased catalyst composition concentration during polymerization start up
06/16/1992US5122588 Preparation of polyaryl ether ketones by electrophilic polycondensation
06/16/1992US5122579 Reducing syndiotacticity of colstyrene copolymer with base and elevated temperature
06/16/1992US5122564 Thermoplastic material used for coatings, molding materials, containers for food and beverages and automotive parts such as sucker rods, gears and valve covers
06/10/1992EP0489473A2 Catalyst compositions
06/10/1992EP0489085A1 Rigid-rod polymers
06/04/1992CA2055752A1 Catalyst compositions
05/1992
05/27/1992DE4136275A1 Aromatic poly:ether ketone or poly:thio-ether ketone polymers - by self-condensn. of ether-or thio-ether-carbonyl fluoride under pressure in aprotic organic solvent in presence of boron tri:fluoride
05/27/1992CN1061418A Polymers of carbon monoxide with styrene
05/27/1992CN1061417A Preparation of polymers
05/27/1992CN1016788B Copolymers of co and olefinically unsaturated hydrocarbons
05/26/1992US5116936 Carboxylation, condensation polymerization
05/26/1992US5116797 Polymerization process
05/20/1992EP0486103A2 Polymers of carbon monoxide with styrene
05/20/1992CN1016697B Method for preparation of olefinlco copolymers
05/19/1992US5115094 Continuous polymerization of carbon monoxide and olefin in the presence of a palladium catalyst
05/14/1992CA2055190A1 Polymers of carbon monoxide with styrene
05/13/1992EP0485058A2 Process for preparing polyketones
05/13/1992EP0485035A2 Preparation of polymers
05/09/1992CA2055016A1 Preparation of polymers
05/06/1992EP0483429A1 Biodegradable polymer compositions
05/05/1992US5111526 Plastic optical fibers and process for the production thereof
04/1992
04/21/1992US5106952 Molding materials; food, beverage containers; housings; automobile parts
04/11/1992WO1992007019A1 Copolymer of carbon monoxide and propylene and process for its formation
04/11/1992CA2093802A1 Copolymer of carbon monoxide and propylene and process for its formation
04/07/1992US5103001 Spirodilactams
04/07/1992US5102844 Polymerization process
04/07/1992US5102843 Bis (diphenylphosphino) ferrocence ligand containing a group 8 metal
03/1992
03/31/1992CA1298427C Process for removing palladium catalyst remnants from copolymers of carbon monoxide with one or more olefinically unsaturated compounds
03/27/1992CA2052245A1 Process for preparing polyketones
03/17/1992US5096985 Polyhemiacetal/cyclic acetal from polyketone
03/17/1992US5096965 Polymeric compositions
03/11/1992EP0473657A1 A quick-hardening coating composition
03/10/1992US5095091 High molecular weight
03/10/1992CA1297221C Preparation of aromatic polyketones
03/04/1992EP0472630A1 Elongated object made of a copolymer of carbon monoxide and an olefinically unsaturated monomer, and method for the production thereof.
03/03/1992US5093450 Process for the preparation of ethylene/vinyl acetate copolymers with increased strength, the new ethylene/vinyl acetate copolymers and their use
02/1992
02/25/1992US5091565 Poly-dicaboxylic acid anhydrides, their production and use
02/25/1992US5091507 Catalytic polymerization using palladium compound anion of non-hydrohalogenic acid and ligand of phosphorus
02/25/1992US5091506 Polymerization of carbon monoxide/norbornene with p bidentate ligand
02/25/1992US5091486 Preparation of polyacetals/cyclic acetals from polyketone
02/12/1992EP0470759A2 Process for preparing polyketones
02/11/1992CA1295772C Process for the purification of olefin/carbon monoxide copolymers containing group viii metal catalyst remnants
02/05/1992CN1058420A Hydrocarbon oil compositions
02/05/1992CN1058410A Substituted cyanoguanidines as curing agents for epoxy resins
01/1992
01/29/1992EP0468594A1 Hydrocarbon oil compositions
01/14/1992US5081216 Including in the reaction mixture a compound which converts a carboxylic acid hydrolysis product back to the carbonyl halide
01/14/1992US5081207 Poly pyrrole from co/olefin terpolymer
01/07/1992US5079340 Stabilized polyketone polymers
01/02/1992EP0463761A2 Copolymerization of ethylene with carbon monoxide and a comonomer
01/02/1992EP0463689A2 Preparation of polymers of carbon monoxide with olefinically unsaturated compounds
01/02/1992EP0463402A2 Ethylene polymers or copolymers having improved insulating properties, compositions, and power cables made therefrom
01/01/1992CN1057469A Preparation of polymers of carbon monoxide with olefinically unsaturated compounds
12/1991
12/31/1991US5077385 Melt processed polyketone-based barrier polymer materials
12/31/1991US5077384 Ethylene or ethylene and propylene
12/25/1991CN1015155B Catalyst composition and the process for olefin/co-copolymerization
12/24/1991US5075422 Catalytic copolymerization with ethylene and/or propylene, then washing with alcoholic solution of di- or tricarboxylic acids or salts
12/23/1991CA2045065A1 Preparation of polymers of carbon monoxide with olefinically unsaturated compounds
12/18/1991EP0461767A2 Polymeric peroxide, polymerization initiator and method for production of block copolymer
12/18/1991CN1057060A Preparation of polymers of carbon monoxide with olefinically unsaturated compounds
12/17/1991US5073327 Process for producing mono- or biaxially drawn polyketone films
12/17/1991CA1293241C Catalyst compositions
12/12/1991WO1991018940A1 Branched polyanhydrides
12/12/1991CA2044104A1 Acetone copolymerization of ethylene
12/11/1991EP0460743A2 Preparation of polymers of carbon monoxide with olefinically unsaturated compounds
12/10/1991US5071926 Polymeric polyalcohols
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