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)
03/1999
03/23/1999CA2153434C Film extruded from an in situ blend of ethylene copolymers
03/22/1999CA2247669A1 Synthesis of 1,4-trans-polybutadiene using a lanthanide organic acid salt catalyst
03/19/1999CA2247571A1 Two-component supported catalysts and their use for gas-phase polymerisation
03/18/1999WO1999012983A1 Gas phase polymerization of vinylpolybutadiene
03/18/1999WO1999012982A1 A process for the preparation of polyethylene
03/18/1999WO1999012981A1 Polymerisation catalysts
03/18/1999WO1999012980A1 Catalyst for producing living olefin polymer and process for producing the polymer
03/18/1999WO1999012979A1 Processes for improving stability of living polymerization chain ends
03/18/1999WO1999012978A1 Process for the gas phase polymerisation of olefins
03/18/1999WO1999012943A1 Method for producing metallocenes
03/18/1999DE19739946A1 Verfahren zur Herstellung von Metallocenen A process for the preparation of metallocenes
03/18/1999CA2303163A1 Gas phase polymerization of vinylpolybutadiene
03/18/1999CA2303016A1 Process for the gas phase polymerisation of olefins
03/18/1999CA2269119A1 Catalyst for polymerizing an olefinic monomer, method for producing an olefinic polymer and method for producing a styrenic polymer
03/17/1999EP0901497A1 Yttrium containing metal complexes and olefin polymerization process
03/17/1999EP0901457A1 Polymerization catalyst promoter
03/17/1999CN1210868A Polymerization catalyst containing active free radical of Lewis acid and its use
03/17/1999CN1210757A Chromium-containing catalyst
03/17/1999CN1210756A Chromium-containing catalyst
03/16/1999US5883277 Olefin polymerization catalysts; complexing, quaternization
03/16/1999US5883275 Process for the hydrogenation of metallocenes
03/16/1999US5883213 Stereoregularity
03/16/1999US5883210 Gelling composition for oil fields, water soluble polymer, crosslinking agent for drilling fluids
03/16/1999US5883208 Initiator system and adhesive composition made therewith
03/16/1999US5883207 Continuous slurry polymerization; gelation and fouling inhibition; catalysis in alkyl halide solvent
03/16/1999US5883206 Cobalt chain transfer catalyst
03/16/1999US5883205 Process for the preparation of an ethylene copolymer and prepolymerized solid catalyst for olefin polymerization
03/16/1999US5883204 Adding an ionic catalyst activator to a solution olefin polymerization reaction
03/16/1999US5883202 Process for olefin polymerization using metallocene catalysts with Lewis acids and aluminum alkyls
03/16/1999US5883183 Reduced hysteresis products prepared with anionic polymerization initiators
03/16/1999US5882750 Single reactor bimodal HMW-HDPE film resin with improved bubble stability
03/16/1999CA2158710C Olefin polymerization catalyst and process for olefin polymerization
03/16/1999CA2127671C Process for the preparation of alkylaluminoxanes on inert support materials
03/11/1999WO1999011680A1 Propylene copolymer and process for the production thereof
03/11/1999WO1999011678A2 Injection moulding articles made of metallocene and polypropylene
03/11/1999WO1999011677A1 Components and catalysts for the polymerization of olefins
03/11/1999WO1999011675A1 Solid catalyst component for olefin polymerization and catalyst
03/11/1999WO1999011674A1 Method for producing particulate polymers by additionally using a stable n-oxyl radical
03/11/1999WO1999011648A1 Organometallic compounds, their preparation and use
03/11/1999WO1999011454A1 Metathesis polymerized olefin composites including sized reinforcement material
03/11/1999WO1998057995A3 Cyclopenta[i]phenanthrene metal complex catalyst systems
03/11/1999WO1998056830A3 Components and catalysts for the polymerization of olefins
03/11/1999EP0918802A3 Components and catalysts for the polymerization of olefins
03/11/1999CA2301259A1 Metathesis polymerized olefin composites including sized reinforcement material
03/11/1999CA2270239A1 Components and catalysts for the polymerization of olefins
03/10/1999EP0900242A1 Copolymers of ethylene and geminally disubstituted olefins
03/10/1999EP0900239A1 Photo-addressable substrates and photo-addressable side-group polymers with highly inducible double refraction
03/10/1999EP0900237A1 Photoactive compounds for use with narrow wavelength band ultraviolet (uv) curing systems
03/10/1999EP0900226A1 P or as derivative of a cyclopentadiene
03/10/1999EP0900195A1 Cyclopentadiene compound substituted with branched alkyl groups
03/10/1999EP0900194A1 Cyclopentadiene compound substituted with linear groups
03/10/1999EP0900193A1 Process for cyclopentadiene substitution with groups differing from each other
03/10/1999EP0900192A1 Synthesis of an amine-containing cyclopentadiene
03/10/1999EP0821699B1 Coupling of anionic polymers with trialkoxysilanes having silicon-hydrogen bonds
03/10/1999CN1210114A Catalyst for preparing m-stereospecific polymerized styrene
03/10/1999CN1210113A Catalyst for preparing m-stereospecific polymerized styrene
03/10/1999CN1210112A Catalyst for preparing styrene stereospecific polymers
03/10/1999CN1042433C Preparation of olefin polymers
03/09/1999US5880323 Processes for making α-olefins
03/09/1999US5880302 Organometallic compound
03/09/1999US5880241 Highly branched polyalkenes
03/09/1999US5880233 Process for the preparation of ethylene/(meth)acrylic acid copolymers
03/09/1999US5880231 Ring opening metathesis polymerization of cyclic olefins having unstrained cyclic rings; metallocene catalyst stable in the presence of functional groups; end groups from an alpha-omega difunctional olefin
03/09/1999US5880181 Gels of organic peroxides
03/09/1999US5880056 Organoaluminum, alumoxane or ionizing compound, with a bis(cycloalkadienyl group substituted with alkyl and aryl) group 4b metal compound; olefin copolymers having lower melting points and crystallization temperatures
03/09/1999US5880055 Forming heterogeneous catalyst by vaporizing solid halide of group iva metal, introducing vapor into reaction chamber to react with oxidic support, removing unbound halide and by-products, treating with organic aluminum compound
03/09/1999US5879837 Styrylcoumarin compound, photosensitive resin composition, and hologram recording medium
03/09/1999US5879805 Using catalyst comprising a cobalt compound, a phosphine, xanthogen thiocyanide, carbon disulfide, an organoaluminum compound
03/04/1999WO1999010395A1 Thermoset interpolymers and foams
03/04/1999WO1999010391A1 Polymerization of olefins
03/04/1999WO1999010390A1 Solid catalyst components for olefin polymerization, catalysts for olefin polymerization and process for producing olefin polymers
03/04/1999WO1999010389A1 Modified particles, carrier prepared therefrom, olefin polymerization catalyst component prepared therefrom, olefin polymerization catalyst prepared therefrom, and process for preparing olefin polymer
03/04/1999WO1999010388A1 Catalyst preparation for the (co)polymerisation of alk-1-enes
03/04/1999WO1999010387A1 Improved atom transfer radical polymerization
03/04/1999WO1999010386A1 Homogeneous filled polymer composite
03/04/1999WO1999010356A1 Method for producing ruthenium complexes
03/04/1999WO1999010353A1 Novel organometallic compound, preparation method thereof and process for polymerization of olefins by means of a catalyst composition including the organometallic compound
03/04/1999DE19839822A1 Solid, high activity catalyst component for olefin polymerisation
03/04/1999DE19738081A1 Verfahren zur Herstellung von partikelförmigen Polymerisaten unter Mitverwendung eines stabilen N-Oxyl-Radikals A process for the production of particulate polymers with the additional use of a stable N-oxyl radical
03/04/1999DE19738051A1 Spritzgieß-Artikel aus Metallocen-Polypropylen Injection molding products from metallocene polypropylene
03/04/1999DE19737306A1 Katalysatorzubereitung für die (Co)polymerisation von Alk-l-enen A catalyst composition for the (co) polymerization of alk-l-enes
03/04/1999CA2301713A1 Method for producing ruthenium complexes
03/04/1999CA2301662A1 Homogeneous filled polymer composite
03/04/1999CA2300085A1 Polymerization of olefins
03/03/1999EP0899279A2 Process for the preparation of ethylene polymers
03/03/1999EP0899278A2 Process for the preparation of ethylene polymers
03/03/1999EP0898586A1 Process for preparing copolymers and blend compositions containing the same
03/03/1999EP0898585A1 Polyolefin composition with molecular weight maximum occuring in that part of the composition that has the highest comonomer content
03/03/1999EP0898583A1 Improvements in fluorescent materials
03/03/1999EP0799249B1 Cationic polyurethane-based polymer dispersions
03/03/1999EP0797596B1 Catalyst for polymerizing olefins
03/03/1999EP0736046B1 Catalyst composition
03/03/1999CN1209815A Process for preparing polymers of C2-C10 alkene hydrocarbon in presence of metallocene complexes with cationically functionalized cyclopentadienyl ligands
03/03/1999CN1209814A Process for producing polyetylenes having broad molecular weight distribution and catalyst system used thereby
03/03/1999CN1209438A Dilithium initiator and preparation method therefor
03/03/1999CN1042340C Process for preparing ethylenic copolymer
03/03/1999CN1042339C Ethene gas-phase homopolymerization and alpha-olefinic copolyerization composite catalyst and its polymerization use
03/03/1999CN1042338C Process for preparing olefin polymers
03/02/1999US5877371 Heterogeneous Lewis acid-type catalysts
03/02/1999US5877365 Process and plant for the conversion of olefinic C4 cuts to polyisobutene and to propylene
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