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)
08/1990
08/14/1990CA2009962A1 Ethylene polymerization catalyst
08/14/1990CA1272847A1 Ethylene copolymerization process
08/14/1990CA1272846A1 Molecular weight distribution modification in a tubular reactor
08/08/1990EP0381495A2 Method of production of polyethylene
08/08/1990EP0381364A1 Process and apparatus for gas phase polymerisation of olefins in a fluidized bed reactor
08/08/1990EP0381205A2 Process for the polymerisation of polar compounds
08/08/1990EP0381184A2 Catalysts for the polymerization of olefins
08/08/1990EP0381135A2 Novel hydroxy-peroxides and their uses
08/08/1990EP0216139B1 Polymer particles for the preparation of thermoplastic mouldings
08/08/1990CN1044469A Catalyst compsns.
08/08/1990CN1009100B Continuous polymerization of propene
08/08/1990CN1009099B Polymerization of olefin
08/08/1990CN1009098B Process for ethylene polymers of preparative wide-molecular weight distribution
08/08/1990CN1009097B Prepn. transition metal composition of catalyst system for alkene polymerization
08/08/1990CN1009083B Dimerization and polymerization of ethylene
08/07/1990US4946914 Modified chromium-containing catalyst composition polymerization process with alpha-olefins
08/07/1990US4946899 Carbocationic polymerization involving homopolymerization of elastomer followed by copolymerization to add glassy segments; forming living polymers with a metal halide, promoter and solvent mixture
08/07/1990US4946816 Morphology-controlled olefin polymerization catalyst
08/07/1990CA1272547A1 Preparation of polymers by cationic polymerisation
08/07/1990CA1272473A1 Olefin polymerisation spherical catalytic materials processing, and use of catalyst derived from olefin polymerisation
08/02/1990CA2007929A1 Improved process for the polymerization of polar compounds
08/01/1990EP0380241A2 Process for preparing ethylene copolymers
08/01/1990EP0380162A2 Catalyst compositions
08/01/1990EP0379758A1 Polymers and polymerisation catalyst components
08/01/1990CN1044283A Catalyst compositions
08/01/1990CN1044282A Catalyst for regulating molecular weight distribution of ethylene polymers
07/1990
07/31/1990US4945143 Allyloxy activated coating compositions
07/31/1990US4945142 Composition and process for friction loss reduction
07/31/1990US4945141 Ring opening metathesis polymerization of strained cyclic ethers
07/31/1990US4945076 Polymerization catalyst system
07/31/1990CA2008653A1 Process and apparatus for gas phase polymerisation of olefins in a fluidized bed reactor
07/31/1990CA1272348A1 Process for polymerising ethylene using a chromium oxide catalyst
07/30/1990CA2005835A1 Hydroxy-peroxides and their uses
07/26/1990CA2008443A1 Catalyst compositions
07/25/1990EP0379464A1 Araliphatic sulfonium salts and their use
07/25/1990EP0379292A2 Production of alpha-olefin polymers
07/25/1990EP0379260A2 Catalyst compositions
07/25/1990EP0378556A1 Catalyst composition.
07/25/1990CN1044107A Linear alternating block copolymer
07/25/1990CN1008909B Ethylene polymerization catalyst
07/25/1990CN1008908B Process for producing alpha-olefin polymer
07/25/1990CN1008907B Catalyst components, a catalyst and a process for the polymerization alpha-olefins
07/24/1990US4943622 Bromine and iodine containing hydrocarbon
07/24/1990US4943621 Storage stable components of reactive formulations for bulk polymerization of cycloolefin monomers
07/24/1990US4943616 Lewis acid and peroxide, isobutylene
07/24/1990CA1271999A1 Process for the preparation of graft polymers, compositions prepared with them and products obtained from their transformation
07/18/1990EP0378248A2 Process for preparing alpha-olefin polymers and oligomers
07/18/1990EP0377927A1 The use of azole accelerators in anaerobic compositions
07/18/1990EP0377633A1 Peroxide free radical initiators containing hindered amine light stabilizer groups.
07/18/1990CN1008822B Improved process for the polymerization or copolymerization of butadiene
07/17/1990US4942209 Butadiene-styrene copolymer dispersion medium for anionic polymerized vinylaromatic monomers
07/17/1990US4942197 Wear resistance, gripping, nonskid butadiene-styrene copolymer
07/17/1990US4942148 Coordination catalylts of metal oxide, organomagnesium compounds, an organoaluminum compound, a titanium compound and electron donor compound
07/17/1990US4942147 Catalyst system containing an autoacceleration inhibitor
07/17/1990CA1271889A1 Method of manufacturing polymaleic anhydride powders
07/12/1990WO1990007526A1 Olefin copolymer and production thereof
07/11/1990EP0377507A2 Aqueous dispersion and the preparation of foamed resins therefrom
07/11/1990CN1043721A Process for in situ blending of polymers
07/11/1990CN1008740B Preparation of spherical magnesium alkoxide particles
07/10/1990US4940760 Group Transfer Polymerization process employing supported initiators
07/10/1990US4940682 Solid catalyst component for olefin polymerization
07/10/1990CA2007398A1 Production of .alpha.-olefin polymers
07/04/1990EP0376936A2 A ziegler-Natta catalyst component
07/04/1990EP0376559A1 Process for alpha -olefin gas-phase polymerization controlled by the simultaneous addition of an activator and an activity retarder to the polymerization medium
07/04/1990EP0376348A2 Catalyst for regulating the molecular weight distribution of ethylene polymers
07/04/1990EP0376199A2 Nitrogen compounds that delay the metathesis polymerization of cycloolefins
07/04/1990EP0376188A2 Process for producing a polyolefin
07/04/1990EP0376154A2 Bisindenyl derivative and method for its preparation
07/04/1990EP0376145A2 Method for producing a stereoregular polyolefin
07/04/1990EP0376084A2 Process for producing highly stereospecific alpha-olefin polymers
07/04/1990CN1043512A Polymeric compositions and method for preparing them
07/04/1990CN1043508A Ethylene-propylene copolymer
07/04/1990CN1043507A Polymerization of gaseous ethene for preparing linear polyethene of molecular weight narrow distribution
07/04/1990CN1008628B Reduction of catalyst activity in solution process for polymerization of alpha-olefines
07/04/1990CN1008627B Reduction of isomerization in solution process for polymerization of alpha-olefines
07/04/1990CN1008626B Olefine polymerization process and preparation method of its vanadium catalyst
07/03/1990US4939217 Halogen-free coordination catalyst
07/03/1990US4938937 Crystalline aluminophosphate composition
06/1990
06/30/1990CA2006905A1 Bisindenyl derivative, and a process for the preparation thereof
06/30/1990CA2006897A1 Catalyst for regulating the molecular weight distribution of ethylene polymers
06/28/1990DE3942668A1 Polymerzusammensetzungen und verfahren zu ihrer herstellung Polymer compositions and processes for their preparation
06/27/1990EP0375200A2 Functionalized alpha-olefin copolymers having narrow molecular weight distribution
06/27/1990EP0375199A1 Supported vanadium catalyst for production of polyolefins of controlled molecular weight distribution
06/27/1990EP0374999A2 Use of oligomers of alkenyl groups-substituted aromatics as co-agents
06/27/1990EP0374695A2 Ethylene-propylene copolymer
06/27/1990EP0374627A2 Highly effective polarisers
06/27/1990EP0374619A1 Process for the production of polyethylene compositions
06/27/1990EP0374595A1 Ethylene copolymerization catalyst
06/27/1990CN1008525B Process for manufacturing hydroxylated polybutadiene
06/27/1990CN1008524B Alpha-olefin polymerization catalyst system including advantageous modifier component
06/26/1990US4937363 Falling film aluminoxane process
06/26/1990US4937301 Method for preparing a supported metallocene-alumoxane catalyst for gas phase polymerization
06/26/1990US4937299 Coordination catalyst containing metallocene and alumoxane
06/26/1990US4937217 By adding undehydrated silica gel and metallocene; drying
06/26/1990EP0215922A4 Organolanthanide catalysts.
06/26/1990CA1270950A1 Optical disc structure having an air sandwich structure
06/23/1990CA2005285A1 Polymeric compositions and method for preparing them
06/20/1990EP0373999A1 Ethylene polymerisation process for producing linear polyethylene with a narrow molecular weight distribution
06/20/1990EP0373785A1 Homogenous or supported vanadium based catalyst for olefin polymerization
06/20/1990EP0373660A2 Propylene polymer compositions having good transparency and improved impact resistance
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