Patents for C08F 4 - Polymerisation catalysts (50,749)
08/1981
08/18/1981US4284551 Promoters for curing and polymerization of methacrylates
08/18/1981US4284526 Process for the polymerization of alpha-olefins, catalyst employed in said process and method for the preparation thereof
08/18/1981US4284525 Organoaluminum compound, ether, solvent, cooling, multistage
08/18/1981CA1107270A1 CATALYST FOR POLYMERIZING .alpha.-OLEFINS
08/11/1981US4283553 Catalysts for addition polymerization
08/11/1981US4283512 Copolymer having peroxy bonds in the molecule thereof and a process for producing the same
08/11/1981US4283305 Catalyst composition and its use for oligomerizing olefins
08/05/1981EP0033022A1 Process for the preparation of a solid catalytic titanium component, and process for the polymerization of alkenes-1 with application of such a titanium component
08/04/1981US4282341 Manufacture of homopolymers and copolymers of α-monoolefins
08/04/1981US4282114 Titanium tetrachloride, magnesium halide, organic acid ester, hydrocarbon and an aluminum compound
08/04/1981CA1106547A1 Controlled polymerisation of ethylene
08/04/1981CA1106543A1 Method for polymerizing mono- and diolefine compounds
07/1981
07/29/1981EP0032757A2 Aqueous peroxide emulsion and its use in suspension (co)polymerization reactions
07/29/1981EP0032734A1 Components of catalysts for polymerizing alpha-olefins and catalysts prepared therefrom
07/29/1981EP0032701A2 Copolymerization of styrene-acrylonitrile with cyano-azoalkane initiators
07/28/1981US4280927 A chelate of hydrocarbyl lithium and a dialkylaminoaldehyde dialkyl acetal
07/28/1981CA1106099A1 Process for producing copolymers of ethylene and higher alpha-olefins
07/22/1981EP0032339A1 Ethylene polymerisation catalysts, process for their manufacture and polymerisation process using said catalysts
07/22/1981EP0032309A2 Production of catalyst component, catalyst and use thereof
07/22/1981EP0032307A2 Catalyst component
07/22/1981EP0032294A2 Solid catalyst component for olefin polymerization
07/21/1981US4279831 Polymerization catalyst
07/21/1981US4279780 Method of preparing catalyst supports
07/21/1981US4279776 A solid titanium component containing an organomagnesium compound, a silicon halide compound and/or an aluminum halide compound with an organoaluminum activator and an electron donor
07/21/1981US4279719 Photopolymerization method with symmetric azo alkanes
07/21/1981CA1105647A1 Elastomeric polypropylene
07/15/1981EP0032034A1 Polymerisation of alpha-olefins
07/15/1981EP0031975A1 A peroxydicarbonate composition and its use for polymerizing ethylenically unsaturated compounds
07/14/1981US4278612 2-Chloro-2-alkyl substituted peroxyesters
07/14/1981CA1105198A1 Process for the preparation of cyclized polydienes
07/08/1981EP0031645A2 Process for the production of azo compounds
07/07/1981US4277592 N-vinylamide polymers and process for their manufacture using two types of initiators
07/07/1981US4277590 Polymerization of alpha-olefins with novel Tn MR'3-n cocatalysts
07/07/1981US4277589 Components of catalysts useful for the polymerization of alpha-olefins, and catalysts prepared therefrom
07/07/1981US4277372 Solid catalyst component for olefin polymerization
07/07/1981US4277371 Catalyst-forming components, process for preparing same, and catalysts for stereospecifically polymerizing olefins prepared therefrom
07/07/1981US4277370 Coordination catalysts
07/07/1981CA1104579A1 Soluble multifunctional lithium containing initiator
07/01/1981EP0031268A1 Process for polymerizing tetrafluoroethylene in aqueous dispersion
07/01/1981EP0031213A2 1-Olefin polymerization and catalyst for 1-olefin polymerization
07/01/1981EP0031168A2 Process for copolymerizing ethylene with n-butene-1
06/1981
06/30/1981US4276193 Catalyst on a solid carrier for the polymerization of α-olefins
06/30/1981US4276192 Complexing magnesium, organic halide, and titanium tetrahalide in presence of triaryl phosphite and aluminum halide
06/30/1981US4276191 Catalyst and process for polymerization of alpha-olefins
06/30/1981CA1104298A1 Catalysts for the polymerization of olefins
06/30/1981CA1104147A1 Substituted methylene dialanes
06/30/1981CA1104118A1 High efficiency catalysts for olefin polymerization
06/30/1981CA1104117A1 Catalysts for polymerizing ethylene
06/24/1981EP0030742A2 Catalytic component for polymerizing alpha-olefin and method for homo- or co-polymerization of an alpha-olefin
06/23/1981US4275182 Maintaining polymerization temperature while recirculating the monomers
06/23/1981CA1103691A1 Organo-magnesium complexes and process for their preparation
06/17/1981EP0030438A1 Olefin polymerization catalyst and olefin polymerization method and products using such catalyst
06/16/1981US4273905 Catalyst
06/16/1981CA1103398A1 Fluoroelastomer composition
06/16/1981CA1103396A1 Vapor phase polmerization with temporarily inactive titanium catalyst
06/10/1981EP0030171A1 Process for producing polymers of ethylene of medium density and polymers of ethylene obtained
06/10/1981EP0030018A2 Titanium trichloride catalytic component and method for homo- or co-polymerization of alpha-olefin
06/09/1981US4272435 Process for the preparation of azo compounds from amino compounds in the presence of a phase transfer catalyst
06/09/1981US4272406 Refractory metal oxide/silica supported nickel cluster catalyst
06/09/1981US4272405 Ziegler transition metal halide catalysts and method therefor
06/09/1981US4272404 Entangled in polytetrafluoroethylene web
06/09/1981CA1102948A1 Rapid curing two part adhesive
06/03/1981EP0029651A1 Process for producing propylene-ethylene block copolymer
06/03/1981EP0029623A1 Preparation of catalyst components and polymerization of olefins employing such catalyst components
06/02/1981CA1102474A1 Thermoplastic elastomers prepared via cationic grafting
06/02/1981CA1102358A1 Method for producing oligomers from alpha-olefines
05/1981
05/27/1981EP0029232A1 Components of catalysts for the polymerization of olefines
05/26/1981US4269960 Using peroxyesters and diacyl peroxides; bulk or suspension polymerization of vinyl chloride; stability
05/26/1981US4269958 Peroxygen compound-stannous chloride redox catalyst system for suspension polymerization of vinyl chloride
05/26/1981US4269957 Peroxygen compound-metal carboxylate redox catalyst system for vinyl monomer polymerization
05/26/1981US4269956 Comprising a peroxyester or diacyl peroxide, a stannous or antimony/iii/ carboxylate, and a complexing agent
05/26/1981US4269948 Using a low and high concentration of hydrogen to produce high and low-molecular-weight polymers, respectively; expansion; mixing
05/26/1981US4269733 A coordination catalyst comprising a complex of an alkoxy transition metal compound and an organo zinc compound, a magnesium compound, and an organoaluminum halide; high-temperature solution polymerizations
05/26/1981US4269732 Reduction of titanium tetrachloride with a trihydrocarbyl aluminum compound in the presence of diisoamyl ether and a hydrocarbon solvent; stereospecific; cocatalysts
05/26/1981US4269726 Compositions comprising asymmetrical peroxydicarbonates and methods for their use
05/20/1981EP0028732A1 Process for producing polychloroprene latices containing a large amount of solids
05/19/1981US4268652 Color styrene-acrylonitrile polymers
05/19/1981US4268637 Elimination of bloom in [vul-cup] peroxide crosslinked elastomer compounds
05/19/1981CA1101434A1 No translation available
05/19/1981CA1101432A1 Catalyst components useful to polymerize alpha- olefins and catalysts obtained therefrom
05/14/1981WO1981001289A1 Catalysed alternating copolymerisation and product
05/12/1981US4267294 Composed of a titanium halide on a magnesium halide support with a trialkylaluminum-dialkylaluminum hydride-aromatic acid alkyl ester activator
05/12/1981US4267293 And including titanium tetrachloride and organoaluminum compounds
05/12/1981US4267292 For polymerization of alpha-olefins
05/12/1981US4267279 Said polyester composition being curable and containing an unsaturated monomer
05/06/1981EP0028076A1 Process for producing propylene-ethylene block copolymers
05/06/1981EP0027939A1 Alternating isoprene-ethylene copolymers and process for their preparation
05/06/1981EP0027921A2 Process for preparing an acrylonitrile polymer
05/05/1981US4265785 Contacting titanium compounds with magnesium or manganese halides
05/05/1981CA1100691A1 Polyethylene waxes
05/05/1981CA1100685A1 Curable molding or coating compounds
05/05/1981CA1100668A1 Process for grafting vinyl chloride onto ethylene/vinyl-acetate or alkylacrylate copolymers
04/1981
04/30/1981WO1981001146A1 Polymerization process and product
04/29/1981EP0027733A1 Process for polymerisation of alpha-mono olefins, supported catalyst therefor and method of preparing said catalyst
04/29/1981EP0027577A1 Organomagnesium alkoxides, process for their preparation and stable solutions of these compounds
04/28/1981US4264753 Process for polymerizing conjugated dienes
04/28/1981US4264749 Diphenylalkyl lithium compounds reacted with a diene for the preparation of block polymers
04/28/1981US4264472 Catalyst for preparing polyethylene
04/28/1981CA1100130A1 Process for the preparation of azo compounds
04/22/1981EP0027386A1 Process for producing propylene resin composition and molded articles of said composition