Patents for C08F 4 - Polymerisation catalysts (50,749)
12/1993
12/01/1993EP0422019B1 Olefinic oligomers having lubricating properties and process of making such oligomers
12/01/1993CN1078971A Process for the gas-phase polymerization of olefins
11/1993
11/30/1993US5266667 Method and system for priming anionic polymerization of (meth)acrylates
11/30/1993US5266666 Process for preparing ethylene polymers or copolymers
11/30/1993US5266665 Ring-opening, metal halide
11/30/1993US5266642 Process for the preparation of alpha-methylstyrene polymers
11/30/1993US5266603 Process for the production of expandable styrene polymers in bead form
11/30/1993US5266602 Expandable styrene polymers
11/30/1993US5266544 Olefin polymerization catalyst and process for the polymerization of olefins
11/30/1993CA1324849C Ab block copolymers based on butadiene, isoprene and styrene, process for their manufacture and their use
11/28/1993CA2097038A1 Photopolymerizable mixture and recording material prepared therefrom
11/25/1993WO1993023440A1 Ziegler-natta catalyst system with special silicon-organic compounds
11/25/1993WO1993023439A2 Method for making and using a supported metallocene catalyst system
11/25/1993WO1993023438A1 Catalysts and catalyst supports
11/25/1993WO1993023412A1 Process for preparation of monocyclopentadienyl metal complex compounds and method of use
11/25/1993WO1993023162A1 Olefin polymerization catalyst system
11/25/1993DE4216548A1 Ziegler-Natta-Katalysatorsysteme mit speziellen siliciumorganischen Verbindungen Ziegler-Natta catalyst systems with special silicon-organic compounds
11/25/1993CA2135401A1 Olefin polymerization catalyst system
11/24/1993EP0570982A1 Catalysts and process for producing olefin polymers
11/24/1993EP0570931A2 Styrenic polymer, process for producing same and multi-layer material comprising same
11/24/1993EP0570715A1 Pneumatic tires having reduced rolling resistance
11/24/1993EP0570376A1 A process for the production of cyclic sulfonium salts
11/23/1993US5264527 Acrylic triblock copolymers, their preparation and their application to the manufacture of elastomeric articles
11/23/1993US5264506 Silica catalyst support
11/23/1993US5264405 Monocyclopentadienyl titanium metal compounds for ethylene-α-olefin-copolymer production catalysts
11/23/1993CA1324700C Process for making ultra high melt flow rate propylene polymers
11/22/1993CA2096782A1 Process for preparing ultra-high molecular weight polyethylene
11/18/1993EP0570267A1 Process for the preparation of magnesium chloride particles with polyhedral shape, magnesium chloride particles with polyhedral shape, catalytic composition supported on these particles, polyolefins obtained using these catalytic compositions and polypropylene particles having a macled crystal particle structure
11/18/1993EP0570199A1 Multistage polymerisation process
11/18/1993EP0570070A1 Solid phosphoric acid catalyst and processes for its preparation and for its use
11/18/1993EP0570051A1 Olefin polymerisation process and block copolymers obtained from at least an olefin
11/18/1993EP0570045A2 Olefin polymerization catalytic system; process for this polymerization and polymers thereof
11/18/1993EP0570000A1 Olefin polymerization
11/18/1993EP0569778A2 Surface-active peroxides and their use
11/18/1993EP0569388A1 An amido transition metal compound and a catalyst system for the production of isotactic polypropylene.
11/17/1993CN1022757C Polymeric olefine hydrocarbon catalyst
11/16/1993US5262498 Metallocene (co)polymers, process for their preparation and their use as catalysts
11/16/1993US5262372 Supported vanadium catalyst for prodution of polyolefins of controlled molecular weight distribution
11/16/1993US5262276 Light-sensitive compositions
11/16/1993CA2096312A1 Procedure for the preparation of a solid catalyst based on phosphoric acid
11/16/1993CA1324455C Small particle size non-surface active protective colloid-stabilized latexes derived from monomers of high aqueous phase grafting tendencies
11/14/1993CA2095998A1 Process for polymerizing olefins and copolymers containing blocks derived from at least one olefin
11/12/1993CA2095799A1 Surface-active peroxides and their use
11/11/1993WO1993020111A3 Ruthenium and osmium metal carbene complexes for olefin metathesis polymerization
11/11/1993WO1993019105A3 Silica supported transition metal catalyst
11/11/1993DE4214334A1 Water swellable sealing material - prepd. by polymerising water soluble or dispersible acrylic] monomers in presence of polymeric latex
11/10/1993EP0569249A2 Ethylene/alpha-olefin copolymers
11/10/1993EP0569078A1 Catalytic system and process for the stereospecific polymerisation of alpha-olefins and polymers so obtained
11/09/1993US5260500 Oligomerization of ethylene in presence of a catalyst composed of zriconium halide, organoaluminum compound and alcohol
11/09/1993US5260394 Styrene copolymer and process for production thereof
11/09/1993US5260390 Peroxide emulsions containing an antifreezing compound
11/09/1993US5260389 Process for the preparation of 1,5-hexadiene cyclopolymers having a high content of cyclopentane rings in cis-configuration
11/09/1993US5260382 Ethylene/pentene-1 copolymer compositions
11/09/1993US5260370 Oil extended ultra high molecular weight elastomers
11/09/1993US5260245 Treating silica with reactive hydroxy group with dibutylmagnesium, adding carbonyl compound to form intermediate then reacted with transional metal compound, finally activated with triethylaluminum
11/09/1993US5260244 Transition metal/rare earth catalyst, olefin polymeration process, and polymer produced
11/09/1993CA2095702A1 Ethylene/alpha-olefin copolymers
11/09/1993CA1324234C Process for the preparation of random copolymers
11/09/1993CA1324124C Catalyst for olefin polymerization and processes for its production
11/05/1993CA2095386A1 Catalytic system for the stereospecific polymerization of alpha-olefins; process for said polymerization and polymers thus obtained
11/05/1993CA2095385A1 Catalytic system for the polymerization of olefins; process for said polymerization and polymers thus obtained
11/03/1993EP0567952A1 Olefin polymerization catalyst, process for its preparation, and its use
11/03/1993EP0567584A1 Silica supported transition metal catalyst.
11/02/1993US5258476 Process for producing ethylene-α-olefin copolymers
11/02/1993US5258475 Catalyst systems for polymerization and copolymerization of olefins
11/02/1993US5258474 Process for producing α-olefin polymer
11/02/1993US5258465 Polymeric peroxide, polymerization initiator and method for production of block copolymer
11/02/1993US5258345 High-activity polyethylene catalysts
11/02/1993US5258344 Transition metal catalyst, method of producing the catalyst, polymerization process employing the catalyst, and polymer produced by the polymerization process
11/02/1993US5258343 Neodymium trichloride, titanium tetrachloride and diethyl aluminum chloride with octanediol/1,2-/ for olefin polymerization
11/02/1993US5258342 Coordination catalysts of magnesium, hafnium, zirconium and silicon compounds
11/02/1993CA1323946C Process for carrying out the graft of maleic anhydride on unsaturated polyolefinic elastomers by mass reaction
10/1993
10/30/1993CA2095100A1 Olefin polymerization catalyst, process for its preparation, and its use
10/28/1993WO1993021242A1 Ethylene/branched olefin copolymers
10/28/1993WO1993021239A1 Fluorine-containing polymers and preparation and use thereof
10/28/1993WO1993021238A2 Tris(pentafluorophenyl)borane complexes and catalysts derived therefrom
10/28/1993DE4213219A1 Alloys of cyclo-olefin] polymers and polyolefin(s)
10/28/1993CA2132206A1 Tris(pentafluorophenyl)borane complexes and catalysts derived therefrom
10/28/1993CA2129540A1 Ethylene/branched olefin copolymers
10/27/1993EP0567286A1 Process for producing ethylene polymers
10/27/1993EP0566955A1 Process for the bromination of a chloro-substituted polybutadiene
10/27/1993EP0566851A2 Process for the preparation of trimethylaluminum by the reaction of methylaluminum chloride with sodium in a reaction for solids
10/27/1993EP0566849A2 Process for the preparation of copolymers with hydroxy functions
10/26/1993WO1995011931A1 Branched ethylene macromonomer and polymer produced therefrom
10/26/1993CA1323624C Azo amide compounds
10/26/1993CA1323621C Catalyst systems for producing polyolefins having a broad molecular weight distribution
10/21/1993DE4311436A1 Modified chlorinated polyethylene@ useful for increasing impact strength of PVC - comprises graft-polymer with unsatd.-carboxylate ester] and/or styrene]-type monomer
10/21/1993DE4212586A1 Polymerisation of olefinically-unsatd. monomers esp. methacrylic acid derivs. - using special di:oxetane derivs. as (co)-initiators, providing polymers with improved mechanical strength and long service life
10/20/1993EP0566349A2 Process for producing alpha-olefin polymers
10/20/1993EP0566123A2 Process for the production of polyethylene
10/20/1993EP0566068A2 Process for purification of styrenic polymer
10/20/1993EP0565825A1 Process for preparing aqueous polymer dispersions
10/19/1993US5254784 Depressurized distillation of exhaust gases of vacuum pump when polymerizing alpha-olefins using boron trifluoride complex
10/19/1993US5254649 Cationic polymerization of 1-olefins
10/19/1993US5254631 Containing a vinylsilane monomer
10/19/1993US5254629 Catalyst system including a transition metal compound, cocatalyst and boron halide promoter
10/19/1993US5254517 Diethylaluminum alkoxide/aluminum alkyl co-catalyst for improved polymerization yield
10/19/1993CA1323463C Polymeric or polymerisable aromatic-aliphatic ketones suitable for use as polymerisation photoinitiators
10/19/1993CA1323361C Catalyst composition for polymerizing alpha olefins and alpha olefins polymerization therewith
10/14/1993WO1993020120A2 Norbornene polymerization initiators and polymers prepared therewith