Patents for C08F 4 - Polymerisation catalysts (50,749)
07/2004
07/27/2004US6767934 Photocrosslinker polysiloxane with photoactive acyl or aroyl phosphine oxide group; ophthalmic and intraocular lenses
07/27/2004US6767856 Transition metal olefin polymerization catalyst having cyclopropenyl derived ligands
07/22/2004WO2004061525A1 Radiation-sensitive resin composition
07/22/2004WO2004060942A2 Group iii bridged metallocene based on cyclopentadienyl-fluorenyl ligands
07/22/2004WO2004060941A1 High molecular weight polypropylene process
07/22/2004WO2004060932A1 Ethylene polymer an molded object obtained therefrom
07/22/2004WO2004060929A1 Processes for transitioning between chrome-based and mixed polymerization catalysts
07/22/2004WO2004060924A2 Polymerization of olefins using a ziegler-natta catalyst system having an external electron donor
07/22/2004WO2004060922A2 Process for transitioning between incompatible catalysts using a substantially contaminant free seedbed
07/22/2004WO2004060921A2 Processes for transitioning between various polymerization catalysts
07/22/2004WO2004060901A1 Multinuclear transition metal polymerization catalysts
07/22/2004WO2004060864A2 Bimetallic catalyst, method of polymerization and bimodal polyolefins therefrom
07/22/2004WO2004060324A1 Free-radical initiator systems containing enzymes
07/22/2004US20040143118 Chiral organic compounds and metal coordination complexes thereof
07/22/2004US20040143078 Compositions that can produce polymers
07/22/2004US20040143077 prepared by reacting metallocene with compound having at least two functional groups, especially hydroxy groups; used with a cocatalyst that is an organometallic compound and a mixture of non-coordinated Lewis acid and alkylaluminium; syndiotactic
07/22/2004US20040143076 continuous passage of monomer gases through the a gas phase fluidized bed reactor; transitioning from a first polymerization in the presence of a chrome-based catalyst system to a second reaction in the presence of mixed metallocene catalyst
07/22/2004US20040143035 Use of gradient copolymers as dispersants to treat pigments and other solids
07/22/2004US20040143032 Pigment composition containing ATRP polymers
07/22/2004US20040142171 Method for producing defined layers or layer systems
07/22/2004CA2508735A1 Bimetallic catalyst, method of polymerization and bimodal polyolefins therefrom
07/22/2004CA2508284A1 Processes for transitioning between chrome-based and mixed polymerization catalysts
07/21/2004EP1439197A1 Precision fragmentation assemblages and olefin polymerization catalysts made therefrom
07/21/2004EP1439195A2 Water soluble polymers with low content of residual monomers and their use
07/21/2004EP1438347A1 Deodorizing agent for sulfur- or nitrogen-containing initiators
07/21/2004EP1438343A2 Copolymers of ethylene with various norbornene derivatives
07/21/2004EP1278785B1 Method for the continuous production of ethylene homo- and ethylene co-polymers
07/21/2004EP1222214B1 Process for the preparation of a catalyst component for the polymerization of an olefin
07/21/2004EP1124863B1 Process for hydrogenating a conjugated diene polymer
07/21/2004CN1514853A High shrink polyethylene films
07/21/2004CN1514846A Olefine polymerizing process, polytene, and film and products made therefrom
07/21/2004CN1514827A 4-imino-N-alkoxy or oxy-polyalkyl-piperidine compounds and their use as polymerization regulators
07/21/2004CN1513885A Catalyst composition for olefine polymerization or copolymerization
07/21/2004CN1158315C Process for producing ethylene/olefin interpolymers
07/21/2004CN1158313C Process for preparing anhydride polymers
07/21/2004CN1158312C Catalyst for olefines polymerization and copolymerization
07/21/2004CN1158311C Process for hydrogenating conjugated diene polymer
07/21/2004CN1158310C Prepn process of silica gel carrier
07/20/2004US6765076 Transition metal superoxides
07/20/2004US6765075 Heat-sealable polyolefins and articles made therefrom
07/20/2004US6765074 Olefin polymerization process
07/20/2004US6765065 Process for producing modified polymer rubber
07/20/2004US6765062 1) polyphenylene ether or polystyrene, 2) polymer containing amine or carboxylic acid end groups, (polyester or polyamide) and 3) addition polymer prepared using a glycidyl-functionalized nitroxyl initiator.
07/20/2004US6764985 Low temperature oxidation resistance; high temperature fuel efficiency; ethylene copolymer; storage stability
07/20/2004US6764977 Tert-butyl peroxy maleic acid and metal carboxylate; thermal stability for safe shippping and handling
07/20/2004CA2277224C Olefin polymerization catalyst composition having increased activity
07/15/2004WO2004058835A1 Polymers substantially free of long chain branching
07/15/2004WO2004058829A1 Polymerization processes
07/15/2004WO2004058828A1 Polymerization processes
07/15/2004WO2004058827A1 Polymerization processes
07/15/2004WO2004058825A2 Polymers with new sequence distributions
07/15/2004WO2004058777A1 Titanium centered catalysts for the living polymerization of olefins
07/15/2004WO2004047971A3 Processes of producing fluorided catalysts from nitrogenous metallocenes
07/15/2004WO2004044016A3 Aqueous polymer dispersion emanating from activated transition metal complexes
07/15/2004WO2004016160A3 Redox polymer nanoparticles
07/15/2004WO2004013194A3 Catalysts and process for making polyolefins
07/15/2004US20040138393 Block polymers; process control
07/15/2004US20040138392 Multiple catalyst system for olefin polymerization and polymers produced therefrom
07/15/2004US20040138391 Discontinuing introduction of first catalyst system into reactor; lowering height of bed of polymer particles from a first height to a second height; introducing second catalyst system into reactor; increasing height of bed of polymer
07/15/2004US20040138324 Initiators stable under reaction conditions in the absence of olefin monomer and includes a metal atom and a ligand having two group 15 atoms and a group 16 atom or three group 15 atoms; for making (block) polymers having low polydispersity
07/15/2004US20040138057 Catalyst composition and methods for its preparation and use in a polymerization process
07/15/2004US20040138056 Late transition metal catalysts for olefin oligomerizations
07/15/2004US20040138054 Magnesium halide, a solvent, an electron donor compound, and a transition metal compound on an inert support; coordination catalyst
07/15/2004CA2510864A1 Polymers substantially free of long chain branching
07/15/2004CA2510856A1 Polymerization processes using hydrofluorocarbon(s)(hfc`s)
07/14/2004EP1436337A1 Process for the preparation of hydroxy-vinyl-aromatic polymers or copolymers by anionic or controlled radical polymerization
07/14/2004EP1436332A2 Metal complex compositions and their use as catalysts to produce polydienes
07/14/2004EP1290053B1 Highly flowable propylene block copolymers
07/14/2004EP1268657B1 Method of preparation of crosslinked blends of amorphous and crystalline polymers
07/14/2004EP1263812B1 Method for the production of polyethylene
07/14/2004EP1237949B1 Polymerization of olefins with bimetallic polymerisation catalyst system
07/14/2004EP1187877B1 Process for the preparation of thermoplastic compositions of isotactic polypropylene and flexible polypropylene of lower isotacticity
07/14/2004EP1169356B1 Polyolefin production
07/14/2004EP1165633B1 Components and catalysts for the polymerization of olefins
07/14/2004EP1153080B1 Compositions of random copolymers of propene containing an alpha-olefin as comonomer
07/14/2004EP1062250B1 Polymerisation catalysts
07/14/2004EP1042372B1 Components and catalysts for the polymerization of olefins
07/14/2004CN1513003A Olefin polymerization catalyst compositions and method of preparation
07/14/2004CN1513002A Polyethylene resins
07/14/2004CN1512915A Improved olefin polymerization catalyst compositions and method of preparation
07/14/2004CN1511854A Process for producing high isoprene rubber-isobutylene
07/14/2004CN1511853A Lower isotactic polypropylene catalyst system, its preparing process and use
07/14/2004CN1511852A In situ polymerization oligomerization or poly secondary amine monoene bond type unsaturated monomer
07/14/2004CN1157447C Printing inks comprising branched vinyl resin
07/14/2004CN1157427C Polymerization method for olefines
07/14/2004CN1157421C Method for producing highly reactive polyisobutenes
07/14/2004CN1157419C Carried metallocene catalyst and its preparing process
07/13/2004US6762268 Radiation transparent, sensitivity, chemical resistance
07/13/2004US6762263 Treating acrylic acid, or esters thereof in a solvent with a controlled free radical initiator selected from the group n,n-dialkyl-alkoxyamines to effect solution polymerization
07/13/2004US6762261 Polymerizable system with a long work-life
07/13/2004US6762260 Mixtures of activators, lewis acid catalysts and heterocyclic amines or ethers, used as adhesives or coatings
07/13/2004US6762259 Process for the production of living (co)polymers and use of the (co)polymers
07/13/2004US6762258 Metal complexes as catalyst component for olefin polymerization
07/13/2004US6762256 Initiator/amidine complexes, systems comprising the complexes, and polymerized compositions made therewith
07/13/2004US6762255 Prealkylated olefin polymerization catalysts and olefin polymerization employing such catalysts
07/13/2004US6762145 A olefin polymerizing catalyst is formed by reacting a halogenated magnesium compound with alcohol, reacting the solution with hydroxy ester compound or a phosphorus or silicon compound, reacting the intermediate with titanium
07/08/2004WO2004056878A2 COPOLYMERS OF ETHYLENE WITH α-OLEFINS
07/08/2004WO2004056480A1 Tandem tetramerisation-polymerisation of olefins
07/08/2004WO2004056479A1 Tetramerization of olefins
07/08/2004WO2004056478A1 Tetramerization of olefins