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)
03/1998
03/18/1998EP0829495A1 Process for the preparation of polyethylene having a broad molecular weight distribution
03/18/1998EP0829493A2 Nickel catalyst for polymerisation
03/18/1998EP0829490A1 Ziegler-Natta catalyst systems modified by their preparation
03/18/1998EP0829489A1 Ziegler-Natta catalyst systems modified by their preparation
03/18/1998EP0828768A1 Homopolymers and copolymers of cationically polymerizable monomers and method of their preparation
03/18/1998EP0828765A1 Ethylene-pentene-hexene copolymer, process for its preparation and use for the production of films
03/18/1998EP0828764A1 Addition polymers of polycycloolefins containing functional substituents
03/18/1998EP0647243B1 Process for preparing an ethylenic copolymer
03/18/1998CN1176258A Catalyst system to produce highly crystalline polypropylene
03/17/1998US5728917 Polymer depolymerization using ruthenium and osmium carbene complexes
03/17/1998US5728911 Catalytic solution copolymerization of ethylene with polyunsaturated monomer
03/17/1998US5728908 Process for preparing a bridged ligand and said bridged ligand
03/17/1998US5728857 Silicon-containing peroxyesters
03/17/1998US5728855 Modified polyalkylaluminoxane composition formed using reagent containing carbon-oxygen double bond
03/17/1998US5728816 Lanthanium metal complexes for addition catalysts
03/17/1998US5728785 Romp polymerization in the presence of peroxide crosslinking agents to form high-density crosslinked polymers
03/17/1998US5728784 Homo or copolymerization of vinylaromatic monomers in presence of a catalyst stystem containing a complex of tintanium or zirconium, a cocatlyst selected from alkylalumoxane and a boron compound, and a derivative of tin
03/17/1998US5728782 In the presence of organolithium anionic initiator and inert particles
03/17/1998US5728747 Photoinitiating with ultraviolet light mixture of stable free radical and polymerizable monomer with heating, cooling, heating again, isolating polymer, washing, drying
03/17/1998US5728641 Modified organoaluminum compound containing reaction product of four constituents; molecular weight control
03/17/1998US5728640 Preparing an oil in water emulsion, dissolving an organoaluminum compound in an inert solvent, adding emulsion to organoaluminum solution and adding a metallocene solution to resulting suspension of particulate alumoxane
03/17/1998US5728353 Two connected fluidized bed reactors with coolers and compressors, also with recycle pipes
03/12/1998WO1998010016A1 Improved propylene polymers for oriented films
03/12/1998WO1998010014A1 Blends containing an interpolymer of alpha-olefin
03/12/1998WO1998009999A2 Alpha-olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers
03/12/1998WO1998009996A1 Catalyst system for (co)polymerization of olefins and process for the preparation of olefin (co)polymers using the catalyst system
03/12/1998WO1998009995A1 Incorporation of free radical inhibitors in polyolefins
03/12/1998CA2264894A1 Alpha-olefin/vinylidene aromatic monomer and/or hindered aliphatic or cycloaliphatic vinylidene monomer interpolymers
03/12/1998CA2264736A1 Blends containing an interpolymer of alpha-olefin
03/12/1998CA2264141A1 Incorporation of free radical inhibitors in polyolefins
03/12/1998CA2262468A1 Improved propylene polymers for oriented films
03/11/1998EP0827969A2 Chromium catalysts carried on mesoporous molecular sieves
03/11/1998EP0827962A2 Preparation of silylium salts
03/11/1998EP0827516A1 Polymers including olefinically unsaturated monomers
03/11/1998EP0827515A1 Polymers of olefinically unsaturated monomers
03/11/1998EP0827423A1 Functionalized chain extended initiators for anionic polymerization
03/11/1998EP0789624A4 Catalyst for biomodal molecular weight distribution ethylene polymers and copolymers
03/11/1998EP0705281B1 Supported metallocene catalyst systems for the polymerization of olefins, preparation and use thereof
03/11/1998CN1175961A Polymer-contg. catalyst systems
03/11/1998CN1175960A Production of polymers of vinyl aromatic compounds using polymer-contg. catalyst systems
03/11/1998CN1175591A Method of producing hydrosolubles polymers, polymers thus obtained and uses of same
03/11/1998CN1175590A Carried chrome-contg. catalyst for polymerization of ethylene and preparing method thereof
03/11/1998CN1175589A Prepolymerized solid catalyst, process for preparing same, and process for heterogeneous polymerization of olefins
03/11/1998CN1037686C Method for polymerization of alkene
03/11/1998CN1037685C Metallocene catalyst system
03/10/1998US5726335 Zirconium compounds, their preparation and their use as catalysts
03/10/1998US5726333 Organometallic compound
03/10/1998US5726332 Synthesis of novel organometallics and their use in olefin polymerization
03/10/1998US5726268 Methyl methacrylate polymer
03/10/1998US5726264 Ethylene-bridged-metallocene-transition metal compound
03/10/1998US5726263 Molecular weight truncation and color control in macromonomers
03/10/1998US5726262 Resulting in polymers high in stereospecificity
03/10/1998US5726261 Coordination polymerization catalysts for olefins
03/10/1998US5726260 Process for the production of a microspheroidal powder of low dispersity, microspheroidal powder of low dispersity thus obtained, catalysts for the polymerization of alpha-olefins and process for the polymerization of alpha-olefins
03/10/1998US5726216 Toughened epoxy resin system and a method thereof
03/10/1998US5726115 Bridged bis-amino group 4 metal compounds in a catalyst composition for the production of alpha-olefins
03/09/1998WO1998038225A1 Method of recovering boron trifluoride complex and process for producing olefin oligomer using the same
03/05/1998WO1998008881A1 Star polymers and process for producing the same
03/05/1998WO1998008878A1 Process for making vinyl ether polymers
03/05/1998CA2263994A1 Star polymers and process for producing the same
03/04/1998EP0826730A2 Cured materials of unsaturated polyester resin
03/04/1998EP0826702A1 Latex with two-particle size populations of vinylchloride polymers, manufacturing method thereof and uses
03/04/1998EP0826699A1 Prepolymerized solid catalyst, process for preparing the same, and process for heterogeneous polymerization of olefins
03/04/1998EP0826698A1 Process of controlled radical (co)polymerisation of (meth)acryl or vinyl monomers in the presence of Fe, Ru or Os complexes and so prepared (co)polymers
03/04/1998EP0826697A2 Polymerization processes and resin particles formed thereby
03/04/1998EP0825897A1 Polymer-supported catalyst for olefin polymerization
03/04/1998EP0779837A4 Catalytic control of the mwd of a broad/bimodal resin in a single reactor
03/04/1998EP0730623B1 Random copolymer compositions
03/04/1998EP0720627B1 Catalysts and processes for the polymerization of olefins
03/04/1998CN1174850A Solid catalyst component for alpha-olefin polymerization, catalyst for alpha-olefin polymerization, and process for producing alpha-olefin polymer
03/04/1998CN1174849A Carried type metallocene catalyst, preparation and application (1)
03/04/1998CN1174848A Carried type metallocene catalyst, preparation and application thereof
03/04/1998CN1174753A Method for making organic compound reaction under condition of existence of ruthenium catalyst on carrier
03/04/1998CN1037610C Process for olefin polymerization
03/04/1998CN1037609C Components and catalyst for polymerization of olefins
03/03/1998US5723705 Process for the preparation of polyolefin waxes in the presence of a metallocene catalyst and a co-catalyst
03/03/1998US5723640 Transition metal compound having indenyl-containing metallocene
03/03/1998US5723562 Block, graft, and condensation polymerization; esterification, amidation, etherification, carbamylation
03/03/1998US5723560 Group 4 or 5 metal catalyst for olefin polymerization
03/03/1998US5723559 Polymethyl methacrylate
03/03/1998US5723554 Process for producing styrenic polymer
03/03/1998US5723540 Elastic-thermoplastic graft polymers with improved properties
03/03/1998US5723533 Soluble anionic polymerization initiators and products therefrom
03/03/1998US5723511 Catalytic addition polymerization with free radical catalysts and chromophores with irradiation, heating and cooling
03/03/1998US5723402 Silicas with specific contents of cations as supports for olefin polymerization catalysts
03/03/1998US5723400 Process for the preparation of a solid catalyst component suitable for the polymerization of olefins which includes at least two additions of an electron donor
03/03/1998US5723399 Ethylenic polymerization catalyst
03/03/1998US5723398 Homogeneous, stabilized, reduced metal addition polymerization catalysts, process for preparation and method of use
03/03/1998US5723217 Molecular weight
02/1998
02/28/1998CA2209061A1 Controlled radical polymerization process for (meth)acrylic and vinyl monomers in the presence of an fe, ru or os complex and (co)polymers obtained
02/27/1998CA2213882A1 Prepolymerized solid catalyst, process for preparing the same, and process for heterogeneous polymerization of olefins
02/26/1998WO1998007768A1 Elastomeric cycloolefinpolymer
02/26/1998WO1998007766A1 Process for producing diene polymer solutions in vinyl aromatic monomers
02/26/1998WO1998007765A2 Anionic polymerisation process
02/26/1998WO1998007762A1 Process for preparing ethylenic polymer
02/26/1998WO1998007761A1 Catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for preparing polyolefin
02/26/1998WO1998007760A1 Catalyst system
02/26/1998WO1998007758A1 Rate enhancement of nitroxyl radical-mediated polymerization
02/26/1998WO1998007684A1 Novel poly(monoperoxycarbonates)
02/26/1998WO1998007515A1 Use of group 13 metal perfluoroaryl fluoro anions in metallocene catalysts for olefin polymerization
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