Patents for C08F 4 - Polymerisation catalysts (50,749)
12/1998
12/15/1998CA1340195C Diethers usable in the preparation of ziegler-natta catalysts
12/12/1998CA2240034A1 Polymerization catalysts and processes therefor
12/10/1998WO1998056012A1 Electrical devices including ethylene, alpha-olefin, vinyl norbornene elastomers and ethylene alpha-olefin polymers
12/10/1998WO1998055519A1 Continuous process for obtaining propylene polymers
12/10/1998WO1998055518A1 Polymeric supported catalysts for olefin polymerization
12/10/1998WO1998055517A1 Process for making terminally functionalized polymers using protected functional initiator
12/10/1998WO1998040374A3 Olefin polymerization catalysts containing group 8-10 transition metals, bidentate ligands, processes employing such catalysts and polymers obtained therefrom
12/10/1998CA2293567A1 Electrical devices including ethylene, alpha-olefin, vinyl norbornene elastomers and ethylene alpha-olefin polymers
12/10/1998CA2292733A1 Polymeric supported catalysts for olefin polymerization
12/09/1998EP0882744A1 Supported chromium-based catalyst for the production of polyethylene suitable for blow moulding
12/09/1998EP0882743A1 Titanated chromium-based catalysts to produce polyethylene
12/09/1998EP0882742A1 Production of polyethylene for blow moulding
12/09/1998EP0882741A1 Production of polyethylene
12/09/1998EP0882740A1 Titanated chromium-based catalysts to produce polyethylene exhibiting better environmental stress crack resistance
12/09/1998EP0882739A2 High molecular weight polymer and producing method the same and drag reducer
12/09/1998EP0882738A1 Diene rubber, process for producing the rubber and rubber composition containing the same
12/09/1998EP0882731A2 Bridged metallocene compounds and their use as olefin polymerization catalysts
12/09/1998EP0882086A1 Composition exhibiting improved fluorescent response
12/09/1998EP0882078A1 Improved nonwoven fabrics
12/09/1998EP0882077A1 Process for producing alkene polymers by gas phase polymerisation
12/09/1998EP0882076A1 Supported catalyst system
12/09/1998EP0882073A1 Supported catalyst system
12/09/1998EP0882069A1 Process for producing polymers of alkenes by suspension polymerisation
12/09/1998EP0882054A1 Liquid clathrate aluminoxane compositions
12/09/1998EP0881949A1 Bimetallic catalyst for ethylene polymerization reactions with uniform component distribution
12/09/1998EP0881948A1 An organo-lewis acid as cocatalyst for cationic homogeneous metallocene ziegler-natta olefin polymerizations
12/09/1998EP0792308B1 Process for polymerising cyclic olefins and a photopolymerisable composition
12/09/1998EP0767804B1 Polymerization process using diene containing catalysts
12/09/1998EP0721474B1 Catalyst system for the polymerization of ethylene
12/09/1998CN1201468A Process for producing propene-1-butene copolymers
12/09/1998CN1201467A Initiator system and adhesive composition made therewith
12/09/1998CN1201042A High-temp. solution polymerization method
12/09/1998CN1201040A Olifin polymerization catalyst, preparation process and application thereof
12/09/1998CN1041098C Crystalline propylene level polymers
12/09/1998CN1041097C Catalyst for polymerization of olifins
12/08/1998US5847091 Fluorine-containing azo compounds
12/08/1998US5847063 Resins for use in chemically amplified resists and manufacturing methods thereof
12/08/1998US5847061 Process for producing polymers having terminal functional group which may be protected
12/08/1998US5847060 Functionalized diene oligomers
12/08/1998US5847059 Catalyst yield from supported metallocene catalysts
12/08/1998US5847055 Polymer-containing catalyst systems
12/08/1998US5847053 Ethylene polymer film made from ethylene polymer blends
12/08/1998US5846896 Metallocene catalyst systems
12/08/1998US5846895 Supported metallocene complex and process for its preparation
12/08/1998CA2073456C Hand held shower adapted to provide pulsating or steady flow
12/03/1998WO1998054251A1 Polyolefin mixture containing poly(1-butene)
12/03/1998WO1998054232A1 Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones
12/03/1998WO1998054230A1 Metallocene catalyst component for use in producing isotactic polyolefins
12/03/1998WO1998030601A3 Method of controlling polymer molecular weight and structure
12/03/1998DE19654943C1 Cis-bridged metal complex
12/02/1998EP0881239A1 Statistic propylene copolymers
12/02/1998EP0881238A2 Water-swellable, hydrophilic polymer composition
12/02/1998EP0881237A1 Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones
12/02/1998EP0881236A1 Metallocene catalyst component for use in producing isotactic polyolefins
12/02/1998EP0881233A1 High temperature solution polymerization process
12/02/1998EP0881232A1 Catalyst for olefin polymerization and process for production of olefin polymer
12/02/1998EP0880549A2 Catalyst system and components
12/02/1998EP0880534A1 Heteroatom substituted metallocene compounds for olefin polymerization catalyst systems and methods for preparing them
12/02/1998EP0740670B1 Process for preparation of reduced metal titanium complexes
12/02/1998CN1200739A Readily supportable metal complexes
12/02/1998CN1200738A Tin catalysts, process for their prodn., their use and cross-linkable mixtures contg. same
12/02/1998CN1200735A Substituted indenyl contg. metal complexes and olefin polymerization process
12/02/1998CN1200734A Supportable biscyclopentadienyl metal complexes
12/02/1998CN1200696A Method and composition for mfg. ophthalmic lenses
12/02/1998CN1040988C Method for preparing thermoplastic elastomer compositions
12/02/1998CN1040986C Process for preparing linear low density polyethylene
12/01/1998US5844056 Star polymers having multiple polyisobutylene arms emanating from a calixarene core, initiators therefor, and method for the synthesis thereof
12/01/1998US5844055 Ethylene/branched olefin copolymers
12/01/1998US5844054 Process control in the presence of chromium based catalysts
12/01/1998US5844046 Process for the preparation of olefin polymer
12/01/1998US5844045 Ethylene interpolymerizations
12/01/1998US5844016 Redox and photoinitiator priming for improved adherence of gels to substrates
11/1998
11/28/1998CA2238788A1 Water-swellable, hydrophilic polymer composition
11/26/1998WO1998052982A1 A process for preparing an in situ polyethylene blend
11/26/1998WO1998052977A1 PROCESS FOR THE POLYMERIZATION OF α-OLEFINS
11/26/1998WO1998052953A1 Cyclooctatetraene compound
11/26/1998WO1998052686A1 Method for making and using a prepolymerized olefin polymerization catalyst
11/26/1998DE19721403A1 Diene polymer solutions in aromatic vinyl monomers, used for the preparation of impact modified moulding materials
11/26/1998DE19720980A1 Supported metallocene catalyst system giving narrow molecular weight distribution in alkene polymerisation
11/26/1998CA2291106A1 A process for preparing an in situ polyethylene blend
11/26/1998CA2287840A1 Method for making and using a prepolymerized olefin polymerization catalyst
11/25/1998EP0879834A1 Means to control practicle size and eliminate fouling in the synthesis of syndiotactic 1,2-polybutadiene
11/25/1998EP0879833A1 Synthesis of trans-1,4-polybutadiene
11/25/1998EP0879793A1 A process for treating water to inhibit scale formation
11/25/1998EP0879251A1 Polymerization of low grade dcpd monomers using an olefin metathesis catalyst
11/25/1998EP0879250A1 Improved supported metallocene catalyst systems
11/25/1998EP0879224A1 Novel poly(monoperoxycarbonates)
11/25/1998EP0815147B1 Syndiotactic vinylaromatic polymerization process using low hydrogen partial pressures
11/25/1998EP0813556B1 Liquid phase powder bed syndiotactic vinylaromatic polymerization
11/25/1998EP0793679B1 Ethylene homopolymerization using group 3 metal complexes
11/25/1998EP0687276B1 Non-drying chlorine-free isobutene/diene copolymers
11/25/1998EP0455813B1 Flexible polypropylene resin, propylene elastomer composition, and production of olefin polymer
11/25/1998CN1200129A Catalyst system for the preparation of a rubbery copolymer
11/25/1998CN1199740A Olefin polymerization processes and products thereof
11/25/1998CN1040882C 矿物油组合物 Mineral oil compositions
11/24/1998US5840949 Recovery of metallocene complexes
11/24/1998US5840948 Process for the preparation of substituted indenes and their use as ligand systems for metallocene catalysts
11/24/1998US5840947 Metallocenes; used as catalyst component for olefin polymerization
11/24/1998US5840819 Conducting polymerization in presence of free radical scavenger and complexing agent
11/24/1998US5840817 Polymer for photo-conductive layer and preparation method thereof