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)
12/1991
12/12/1991WO1991018875A1 Multifunctional cyclobutarene peroxide polymerization initiators
12/12/1991DE4015085A1 Vernetztes, wasserabsorbierendes polymer und verwendung zur herstellung von hygieneartikeln, zur bodenverbesserung und in kabelummantelungen Crosslinked water-absorbing polymer and use for production of hygiene articles, for soil improvers and cable sheathings
12/12/1991CA2036927A1 Olefin polymerization
12/11/1991EP0460936A1 Methanol copolymerization of ethylene
12/11/1991EP0460652A2 Molded articles obtained from norbornene formulations with long pot lives
12/11/1991EP0460465A2 Process for the preparation of styrene derivatives having a double bond in an ethylene-extended chain and ethylene-extended styrene derivatives
12/11/1991EP0460336A1 Catalyst system for synthesizing trans-1,4-polybutadiene
12/11/1991CN1015062B Components and catalysts for polymerization of olefins
12/10/1991US5071928 Process for polymerizing ethylene and copolymerizing ethylene with alpha-olefins and relevant catalyst
12/10/1991US5071927 High-temperature slurry polymerization of ethylene
12/10/1991US5071918 Process for producing resin for a toner
12/10/1991US5071812 Polymerization of cyclic olefins
12/10/1991US5071811 Polyolefin catalysts and method of preparing an olefin polymer
12/10/1991US5071810 High activity vanadium-based catalyst
12/10/1991US5071808 Process for the preparation of a heterogeneous metallocene catalyst component
12/10/1991CA1292978C Catalyst system for high-temperature (co)polymerization of ethylene
12/10/1991CA1292976C Catalysts for polymerization of olefins
12/09/1991CA2043835A1 Molded articles obtained from norbornene formulations with long pot lives
12/04/1991EP0459320A2 Process for preparing a polyolefin
12/04/1991EP0459264A2 Method for preparing syndiotactic poly (alpha-olefin)
12/04/1991EP0459185A2 Process for preparing a polyolefin
12/04/1991EP0459009A2 A solid catalyst component for the polymerization of olefins and an olefin polymerization catalyst
12/04/1991CN1056695A Process for producing styrenes resin transparent and anti-shock
12/03/1991US5070161 Quaternary ammonium compound
12/03/1991US5070160 Shearing force sufficient to keep viscous solution in polydisp ersive state
12/03/1991US5070057 Promoter bonded to catalyst support
12/03/1991US5070056 Polyolefins of improved bulk density
12/03/1991US5070055 Novel coimpregnated vanadium-zirconium catalyst for making polyethylene with broad or bimodal MW distribution
12/03/1991US5070054 Process for preparing a vanadium-based catalyst suitable for olefin polymerization
12/03/1991US5070051 Catalyst component and catalyst for the production of very high molecular weight polyolefins
12/03/1991CA1292734C In situ comonomer generation in olefin polymerization
12/03/1991CA1292733C Olefin oligomerization process and catalyst
12/02/1991WO1991018938A1 Metathesis polymerization catalyst
12/02/1991CA2082266A1 Metathesis polymerization catalyst
11/1991
11/28/1991WO1991018049A1 Polypropylene resin composition
11/28/1991DE4114833A1 Ziegler-Natta catalyst system for olefin polymerisation - contains solid component contg. titanium, magnesium, halogen and electron donor, aluminium component and di:alkoxy-di:cycloalkyl-silane
11/28/1991CA2064098A1 Polypropylene resin composition
11/27/1991EP0458151A1 Bis-amino-trifluoromethylsulfonium-difluorotrimethyl silicates
11/27/1991EP0312558B1 Perfluoroalkanes obtained by photochemical fluorination and use thereof as polymerization initiators
11/27/1991EP0274536B1 Polyolefin composition for injection molding
11/26/1991US5068489 Preparation of very low molecular weight polyethylene in a fluidized bed
11/26/1991US5068470 Perfluoroalkenes and fluorination products thereof
11/26/1991US5068454 Polyfluoroalkanoyl peroxide
11/26/1991US5068294 Process to produce polymers of styrene derivatives
11/26/1991US5068213 Components and catalysts for the polymerization of olefins
11/26/1991US5068212 Olefin polymerization catalyst and method for production and use
11/26/1991US5068014 Partial electrochemical oxidation of aluminum in a solvent of one dihaloalkane with simultaneous reduction of a compound of titanium(IV)
11/25/1991CA2043128A1 Catalyst precursor production
11/21/1991EP0457647A1 Process for the preparation of transparent and shock resistant styrene resin
11/19/1991US5066754 Narrow molecular weight distribution hydrocarbon soluble homopolymer of 1,4-pentadiene
11/19/1991US5066744 Method of polymerizing vinyl chloride
11/19/1991US5066741 Process for preparation of syndiotactic vinyl aromatic polymers
11/19/1991US5066740 Pyridinium metathesis catalysts for cycloolefin polymerization
11/19/1991US5066736 Gas-phase alpha-olefin polymerization process in the presence of an activity retarder
11/19/1991US5066730 Catalyst is reaction product of Lewis acid and organic ether, polarization of ether bond to form a cationic carbon
11/19/1991US5066631 Methylaluminoxane, tri-n-alkylaluminum solvent; stability, colorless; polymerization catalysts
11/14/1991WO1991017193A1 Solution process for the preparation of polymers of alpha-olefins
11/14/1991WO1991014719A3 Improved polybutene process
11/13/1991EP0456040A1 Copolymerisable photoinitiators of the benzil ketal type
11/13/1991EP0455930A1 Process for polymerising one or more 1-olefins in a gas phase with the help of a composition containing a prepolymer
11/13/1991EP0455813A1 Flexible polypropylene resin, propylene elastomer composition, and production of olefin polymer
11/13/1991EP0285640B1 Ethylene polymerization catalyst
11/13/1991CN1056108A Catalyst compositions
11/13/1991CN1056107A Simplified polyethylene catalyst system
11/13/1991CA2042324A1 Process for the preparation of a polyolefin
11/12/1991WO1991018031A1 Cross-linked, water-absorbent polymer and its use in the production of hygiene items
11/12/1991US5064802 Cyclopentadienyl, polymerization catalysts
11/12/1991US5064799 Components and catalysts for the polymerization of olefins
11/12/1991US5064798 Catalyst for olefin polymerization
11/12/1991US5064797 Process for producing polyolefins and polyolefin catalysts
11/12/1991US5064796 Support adjuvant for improved vanadium polymerization catalyst
11/12/1991US5064795 Reacting triphenyl phosphite, titanium tetrachloride, and dibutylmagnesium to form catalyst
11/12/1991US5064563 Hydrogen peroxide polymerization catalyst copper or iron ions and alkali to neutralize acid; detergent builder
11/12/1991CA2082506A1 Cross-linked, water-absorbent polymer and its use in the production of hygiene items
11/10/1991WO1991017191A1 Silica supported polymerization catalyst
11/10/1991CA2051667A1 Silica supported polymerization catalyst
11/06/1991EP0455313A1 Process for polymerization of olefins and polymerization catalyst
11/06/1991EP0455099A2 Synthesis of low viscosity non-functional terminated polymers
11/06/1991EP0454798A1 Process for the production of liquid lubricants from alpha-olefin and styrene copolymers.
11/06/1991EP0324856B1 Process for polymerizing olefin
11/06/1991CN1055935A Ethylene copolymer and process for preparation of olefin polymer, and catalysts for olefin polymerization
11/06/1991CN1055933A Components and catalyst for polymerization of olefins
11/05/1991US5063188 Magnesium-titanium catalyst
11/05/1991US5063110 Coordination catalyst
11/05/1991CA1291600C Acrylate binder and its use for dressing leather
11/02/1991CA2041540A1 Suspension polymerization of vinyl chloride
10/1991
10/31/1991WO1991017190A1 Olefin polymerization catalyst and methods
10/31/1991WO1991016361A1 Procatalyst composition for the polymerization of olefins, its preparation and use
10/31/1991CA2053289A1 Olefin polymerization catalyst and methods
10/30/1991EP0454462A1 Process for producing vinyl polymer or vinylidene polymer
10/30/1991EP0454434A2 A transition-metal based catalyst for the polymerization and copolymerization of olefins, its preparation and use
10/30/1991EP0454270A1 Catalyst compositions
10/30/1991EP0454231A2 Late transition metal catalysts for olefin polymerization
10/30/1991CN1055742A Gas phase olefin polymerization process
10/29/1991US5061771 Ring-opened polymer from norbornene type of polycyclic monomer and process for producing the polymer
10/29/1991US5061765 Catalyst system includes organoiron compound, organoaluminum compound, chelating aromatic amine and protonic compound
10/29/1991US5061668 Hydrogenation catalyst and hydrogenation process wherein said catalyst is used
10/29/1991US5061667 Reduced powdering of polymer during polymerization
10/29/1991US5061666 Solid alpha-olefin polymerization catalyst components
10/29/1991CA1291472C PROCESS FOR POLYMERIZATION OF .alpha.-OLEFINS
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