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)
09/1991
09/17/1991US5049534 Silica as support for coordination catalyst
09/17/1991US5049533 Titanium, magnesium, halogen, keto-ester 7
09/17/1991CA1289127C Stabilized peroxydicarbonate composition
09/13/1991CA2036767A1 Catalyst and prepolymer used for polymerising olefins, and (co-) polymer of ethylene obtainable therefrom
09/13/1991CA2036766A1 Catalyst and prepolymer used for polymerising olefins, and (co-) polymer of ethylene obtainable therefrom
09/12/1991DE4007428A1 Photopolymerisable mixt. sensitive to near UV and visible light
09/11/1991EP0446051A1 Process for the production of cycloolefin-based random copolymer
09/11/1991EP0445837A2 Crosslinkable polyester/isocyanate compositions suitable for the preparation of composite materials
09/11/1991EP0445755A2 Norbornene-based polymer, process for production of said polymer, film of said polymer, and process for production of said film
09/11/1991EP0445624A2 Photopolymerisable composition and recording material produced therefrom
09/11/1991CN1054426A Ethylene/propylene/ethylidene norbornene rubbers
09/11/1991CN1054424A Process for synthetizing solid catalyst of ziegler type or solid components of solid catalyst in multifunctiuonal rotary reactor, and agitator of magnetic drive in this reactor
09/11/1991CN1054423A Olefin polymerization solid catalysts and process for polymerization of olefins
09/11/1991CN1054404A Magnesium chloride particles having structure of truncated cone, catalytic compositions supported on such particles, polyolefines obtained from such catalytic compositions and process for making such
09/10/1991US5047484 Hydrogenated monovinylidene aromatic and conjugated diene copolymer; viscosity
09/10/1991US5047468 Polymerization of ethylene and alpha-olefins using coordination catalyst yields blend of high and low density polymers
09/10/1991US5047442 Photopolymerizable composition based on a vinyl compound, a sulfur-containing compound and an alpha-diketone
09/10/1991US5047376 Curing combination for cationically polymerizable materials
09/10/1991CA2037954A1 Cross-linkable polyester/isocyanate compositions suited for the preparation of composite materials
09/10/1991CA2037751A1 Photopolymerizable mixture and recording material produced therefrom
09/10/1991CA1288891C CATALYST COMPOSITION FOR POLYMERIZING .alpha.-OLEFINS
09/10/1991CA1288887C Process for production of styrene polymers
09/10/1991CA1288758C Production of catalyst component for olefin polymerization
09/08/1991WO1991013914A1 1-olefin (co)polymerization catalyst for production of resins with a broad range of molecular weight distribution
09/08/1991CA2066625A1 1-olefin (co)polymerization catalyst for production of resins with a broad range of molecular weight distribution
09/05/1991WO1991013104A1 Diene activated ziegler transition metal catalyst components for ethylene polymerization
09/05/1991WO1991013103A1 Silica supported vanadium carboxylate catalysts
09/05/1991WO1991013101A1 Compositions and method for catalytic curing of cyanoacrylate polymers
09/05/1991WO1991013074A2 Transition metal catalyst composition for olefin polymerization
09/05/1991CA2011495A1 Organic nitrogen-containing metal sulfide compositions, their preparation and use
09/04/1991EP0444606A1 Ethylene/pentene-1 copolymer, process for the preparation of the same, and ethylene/pentene-1 copolymer composition
09/04/1991EP0444474A1 Soluble catalyst systems for polymerisation of C2 to C10 alk-1-enes
09/03/1991US5045614 Process for polymerizing vinyl monomers using amine containing compounds which simultaneously act as initiators and crosslinking agents as part of a redox initiator system
09/03/1991US5045612 Catalyst and process for polymerizing olefins
09/03/1991US5045577 Process for the preparation of heat-stable olefin polymers
09/03/1991US5045517 Reaction product of an alumoxane and a cyclopentadienyl titanium compound
08/1991
08/28/1991EP0443374A2 A method for producing a Ziegler-Natta catalyzer, a method for producing a polyolefine by utilizing this catalyzer as well as products made by means of these methods
08/28/1991CN1054075A Ethylene/propylene/ethylidene norbornene rubbers
08/28/1991CN1054073A Process for preparing polyolefins
08/27/1991US5043408 Using coordination catalyst
08/27/1991US5043361 Compositions for dental restoration
08/27/1991CA1288088C Treatment of catalyst particles
08/22/1991WO1991012285A1 Block copolymers from ionic catalysts
08/22/1991WO1991012277A1 Polymerisation of olefinic-containing monomers employing anionic initiators
08/22/1991CA2075035A1 Block copolymers from ionic catalysts
08/21/1991EP0442725A2 Olefin polymerization solid catalysts and process for the polymerization of olefins
08/21/1991EP0442635A1 Novel initiators for cationic polymerization
08/21/1991EP0442316A2 Propylene copolymer
08/21/1991CN1013581B Solid catalyst for polymerizing olefin
08/21/1991CN1013580B Process for polymerizating olefine
08/20/1991US5041624 Free radical generator, polyerization initiator
08/20/1991US5041583 Reacting hydrocarbylaluminum compound with hydrate of alkali or alkaline metal hydroxide
08/20/1991US5041508 Polymerizable monomer, free radical catalyst, and azole compound; storage stability
08/20/1991US5041403 Magnesium, titanium, halogen, ester compound, and organic aluminum compound
08/20/1991CA1287933C Process for continuously producing propylene-ethylene block copolymer
08/14/1991EP0441690A2 Inclusion complexes of organic peroxides and cyclodextrins, process for their preparation and uses
08/14/1991EP0441620A2 Production of alpha-olefin polymers
08/14/1991EP0441548A1 Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives
08/14/1991EP0440813A1 Method of producing catalyst component for olefin polymerization
08/14/1991DE4102546A1 Photopolymerisation of epoxide or cyclic- or alkyl vinyl-ether
08/14/1991DE4004087A1 Low white fracture propylene 1-alkene copolymer(s) - obtd. in two=stage fluidised bed Ziegler-Natta process with control of conversion and partial pressure ratios
08/14/1991CN1053797A Process and catalyst for producing syndiotactic polyolefins
08/13/1991US5039767 Peroxy cured (meth)acrylic ester compositions employing metal dithiolate catalysts
08/13/1991US5039766 Coordination polymerization catalyst
08/13/1991US5039765 Preparation of ethylene polymers using a Ziegler catalyst system, and ethylene polymers prepared in this manner and having less odor
08/13/1991US5039754 Polymeric peroxides derived from hydroxy-hydroperoxides and dihydroxydialkyl peroxides and their uses
08/13/1991US5039734 Macromolecular azo compound, process for producing said compound, and resin obtained by using said compound
08/13/1991CA2034168A1 Initiators for cationic polymerization
08/13/1991CA1287616C Initiator systems for polymerization of 1,3-dienes or copolymers containing 1,3-dienes
08/08/1991WO1991011488A1 Fuel oil additives and compositions
08/08/1991WO1991011468A1 New thermoplastic elastomers
08/07/1991EP0439964A2 Olefin polymerization catalyst and process for the polymerization of olefins
08/07/1991EP0439838A2 Catalyst for regulating the molecular weight distribution of ethylene polymers
08/07/1991EP0439755A2 Process for preparing graft polyols and the polyols prepared thereby
08/07/1991EP0439622A1 Catalytic component for alpha-olefin polymerization
08/07/1991CN1013449B Method for producing butene-1 polymer
08/06/1991US5037963 Reacting a keto acid with a metal cyanide and an ammonia source, removing ammonia source, desolventizing, reacting with a metal hydrochlorite, and neutralization
08/06/1991US5037927 Modified n-vinylformamide copolymer having reduced viscosity
08/06/1991US5037915 Of ethylenically unsaturated monomers
08/06/1991US5037912 Polymerization of 1,3-butadiene to trans-1,4-polybutadiene with organolithium and alkali metal alkoxide
08/06/1991US5037911 Addition polymerization using a catalyst which is activated by heating
08/06/1991US5037910 Polyolefin catalysts and method of preparing an olefin polymer
08/06/1991US5037908 Activity inhibitor,propadiene; slows initial activity; high bulk density; high grade polymer particles
08/06/1991US5037790 Solid catalyst functionalized with sulfonic groups, process for perparing it and its use
08/06/1991US5037789 Hydrocarbon soluble magnesium compound modified with aluminum or nonmetal halide, reacted with two different titanium compounds
08/06/1991CA1287440C Particulate hydroperoxidized poly-n-vinyl lactam, its preparation and usethereof
07/1991
07/31/1991CN1053434A Process for preparation of random copolymers
07/31/1991CN1053433A Catalyst and prepolymer used for preparation of polyolefins
07/31/1991CN1053432A Catalyst and prepolymer used for preparation of polyolefins
07/31/1991CN1053430A Improved process for producing vanadium-arenes
07/31/1991CN1013375B Process for producing a poly-beta-alanine compound
07/31/1991CN1013372B Olefin polymerization catalyst system
07/30/1991US5036130 Transparent thermoplastic molding material, its preparation and its use
07/30/1991US5036034 Catalyst for producing hemiisotactic polypropylene
07/30/1991US5035997 Presence of bioactive material results in addition polymerization of a monomer used as a probe
07/30/1991US5035687 Adhesive dressings
07/25/1991WO1991010687A1 New radically polymerizable multisubstance mixtures with long storage life after evacuation of air and their use
07/25/1991WO1991010510A1 Process and apparatus for preparing heterogeneous catalysts
07/25/1991CA2073770A1 Radically polymerizable multisubstance mixtures with long storage life after evacuation of air and their use
07/24/1991EP0438133A2 Catalyst for polymerization of olefins
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