Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08F - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds › C08F 4 - Polymerisation catalysts
Patents for C08F 4 - Polymerisation catalysts (50,749)
11/1981
11/10/1981US4299937 Using ziegler catalyst
11/10/1981US4299936 Polymerization
11/10/1981US4299731 Large pore volume olefin polymerization catalysts
11/10/1981US4299718 In situ peroxidation of ketones in a ketone peroxide solvent formulation
11/10/1981CA1112397A1 Peroxide-catalyzed composition useful for sealing pits and fissures in teeth
11/04/1981EP0039105A1 Process for recovery of an aliphatic diol oligomerization solvent
11/04/1981EP0038988A1 Organic peroxide compositions
11/04/1981EP0038973A2 Process for producing homo and copolymers of alpha-olefins with a Ziegler type catalytic system
11/04/1981EP0038924A2 Accelerator for the curing of unsaturated resins, and its use
11/03/1981US4298738 Photoinitiators in photopolymerizable coatings and imks
11/03/1981US4298721 Thermoplastic rubbers and process for preparing same
11/03/1981US4298718 Product from titanium tetrahalide and magnesium halide, organometalliv vovsyslydy
11/03/1981US4298717 Ethylene polymerization process
11/03/1981US4298713 Process for preparing low density ethylene copolymers
10/1981
10/28/1981EP0038634A2 Vinyl chloride microsuspension polymerisation process
10/28/1981EP0038565A2 Catalyst components and catalysts for the polymerization of alpha-olefins
10/27/1981US4297463 Method for polymerizing α-olefin
10/27/1981US4297462 Polymerization of monoolefins using an aluminum-titanium catalyst system
10/27/1981US4297460 For use as a catalyst support for the polymerization of alpha-olefins
10/27/1981US4297451 Dienyllithium initiated polymers
10/27/1981US4297240 Solution polymerization
10/27/1981CA1111408A1 Titanium-modified silyl chromate catalysts for ethylene polymerization
10/27/1981CA1111406A1 Chemical compositions based on titanium trihalides, method for their preparation and their uses
10/21/1981EP0038119A2 Process for producing terpolymers of propylene, ethylene and another alpha-olefin, and terpolymers produced by the process
10/21/1981EP0037894A2 Process for preparing polymer compositions based on starch and polyolefins
10/20/1981US4296223 Polymerization of olefins
10/20/1981US4296222 Using coordination catalyst
10/20/1981US4296001 Titanium impregnated silica-chromium catalysts
10/20/1981US4295992 Support prepared from organomagnesium compounds and silicon halides; and catalysts for polymerizing olefins
10/20/1981US4295991 Titanium trichloride catalyst component and the process for the production thereof
10/20/1981CA1111199A1 Ethylene copolymers and their use for the manufacture of films
10/20/1981CA1111197A1 Process for the preparation of improved styrene acrylic acid copolymers
10/20/1981CA1111195A1 Production of copolymers of acrylonitrile and vinyl chloride
10/20/1981CA1111161A1 Emulsion polymerisation process
10/20/1981CA1111016A1 Titanium trichloride catalyst complex and process for the production thereof
10/14/1981EP0037619A1 Process for the preparation of polymers of conjugated dienes or of copolymers of conjugated dienes with each other or with a vinylaromatic compound
10/14/1981EP0037618A1 Process for the preparation of polymers of conjugated dienes or of copolymers of conjugated dienes with each other or with a vinylaromatic compound
10/14/1981EP0037617A1 Process for the preparation of polymers of conjugated dienes or of copolymers of conjugated dienes with each other or with a vinylaromatic compound
10/14/1981EP0037616A1 Process for the preparation of polymers of conjugated dienes or of copolymers of conjugated dienes with each other or with a vinylaromatic compound
10/13/1981US4294948 Process for preparing olefin polymers or copolymers, and catalyst for use in said process
10/13/1981US4294724 Titanium impregnated silica-chromium catalysts
10/13/1981US4294721 Process for preparing components of catalysts for polymerizing alpha-olefins and mixtures thereof with ethylene
10/13/1981CA1110665A1 Polymerizable acetylenic oligomers
10/07/1981EP0037341A1 Catalysts for the cationic polymerization in the homogeneous phase
10/07/1981EP0037291A2 Improved process for the production of a propylene-containing block copolymer
10/07/1981EP0037182A1 Preparation of a dried transition metal product
10/06/1981US4293675 Antimony halide-organic phosphonate ester cationic polymerization catalysts
10/06/1981CA1110383A1 High impact polystyrene resin
09/1981
09/30/1981EP0036660A1 Method for producing an olefin polymerization catalyst, catalyst and polymerization process
09/29/1981US4292421 Anionic polymerization initiators based on alkali metal amides in combination with alkali metal salts and anionic polymerization process using these initiators
09/29/1981US4292253 Organo-metal catalysts and processes for their preparation
09/29/1981US4292200 Catalyst composition for polymerization of olefins
09/22/1981US4291154 Process for the production of polyamide silicate resinous product
09/22/1981US4290945 α,α-azo-bis-isobutyric acid α,ω-bis alkyl ester derivatives and method for preparing same
09/22/1981US4290918 Soluble polymerization catalysts, production of the same and their use
09/22/1981US4290915 Also comprising a magnesium, halogen and electron donor component
09/22/1981US4290914 Catalytic materials as for olefin polymerization
09/22/1981CA1109596A1 Accelerators for curable acrylate ester compositions
09/22/1981CA1109447A2 Alpha olefin polymerization catalyst and preparation thereof
09/16/1981EP0035896A1 Method for treating an olefin polymer to remove catalyst residue therefrom and shaped articles of the treated polymer
09/16/1981EP0035889A1 Alkyl-metal cocatalyst
09/16/1981EP0035649A2 Liquid cold-stable titanium catalyst composition and process for its preparation
09/15/1981US4289914 Free radical polymerization initiators, curing agents for unsaturated polyesters
09/15/1981US4289864 Oxidative polymerization of monomers having at least two activated unsaturations
09/09/1981EP0035291A1 Process for carrying out radical reactions and shaped articles of the reaction product
09/09/1981EP0035242A1 Process for producing polymers and copolymers of ethylene
09/09/1981EP0035124A1 Polymerization catalyst and polymerization process
09/08/1981US4288581 Coordination catalyst comprising vanadium compound and organoaluminum compound
09/08/1981US4288579 Process for preparing polyolefins
09/08/1981US4288379 Hydrocarbon polyl gem-bis(t-alkylperoxy)alkanoates derived from β-keto-acids
09/08/1981CA1108799A1 Polymerization process
09/02/1981EP0034935A1 Titanium trichloride catalyst and process for production of alpha-olefin polymers
09/02/1981EP0034747A1 Polymerisation of chloroprene stabilized with phenothiazines
09/01/1981US4287371 Useful in initiating copolymerization reactions involving unsaturated polyester resins containing unsaturated compounds such as styrene
09/01/1981US4287330 Accelerator for curable compositions
09/01/1981US4287328 Trivalent metal halide; divalent metal hydroxide, oxide, or carbonate; electron doners and acceptors; activation
09/01/1981US4287093 By using a catalyst made from titanium trichloride or tetrachloride and an organoaluminum compound, and containing a crown compound as a stereospecificity additive
09/01/1981US4287091 Polymerization catalysts
09/01/1981CA1108113A1 Trialkyl aluminum cocatalyst
09/01/1981CA1108112A1 Ziegler type catalyst system
09/01/1981CA1108111A1 Ziegler type catalyst system
09/01/1981CA1108110A1 Chemical compositions based on titanium trihalides and methods for their production and use
08/1981
08/26/1981EP0034437A2 Improved process for preparing 2,2'-azobis(2,4-dimethylpentanenitrile)
08/26/1981EP0034343A1 Titanium trichloride catalytic component and process for the homo- or co-polymerization of alpha-olefins
08/26/1981EP0034337A2 A process for the optical resolution of a racemic mixture
08/26/1981EP0034303A2 A process for producing an olefin polymerization catalyst, supported polymerization catalyst and polymerization process
08/26/1981EP0034235A1 Process for producing polybutadiene rubber with enhanced mechanical strength
08/25/1981US4285834 Dual, independently supported catalyst mixtures
08/25/1981US4285833 A coordination catalyst comprising a cobalt compound, an organoaluminum compound, water, and a trisalkylphenyl phosphite; butyl rubber
08/19/1981EP0034086A1 Process for the synthesis of polymers and copolymers based on vinylchloroformiate
08/19/1981EP0033953A2 Process for producing a catalyst, catalyst and use of the catalyst
08/19/1981EP0033948A2 Process for producing a catalyst, catalyst and use of the catalyst
08/19/1981EP0033884A1 Process for the copolymerization of isoolefins with dimethyl butadiene
08/19/1981EP0033777A2 Process for the polymerisation of ethylene and its copolymerisation with up to 30 per cent by weight of a higher alpha-olefin
08/19/1981EP0033750A1 Catalyst for preparing artificial dental compositions or dental replacement parts, its utilisation, and artificial dental compositions
08/18/1981US4284837 Minimizing by-products by contacting with an alkali metal hydroxide
08/18/1981US4284769 Formation/c-c/, oxidaton
08/18/1981US4284748 Using a titanium compound, organomagnesium compound, silica, reaction product and a cocatalyst
08/18/1981US4284739 Block copolymerization process
08/18/1981US4284738 Ethylene-propylene block copolymerization process and product
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