Patents for C08F 4 - Polymerisation catalysts (50,749)
03/1990
03/21/1990CN1007251B Process for spheridal catalyst of oldfinic polymerization and application of catalyst in olefinic polymerization
03/21/1990CN1007250B Catalyst components for alpha olephine-polymerizing catalysts and procedure for mfg. same
03/20/1990US4910272 Coordination catalyst on support
03/20/1990US4910271 Process for the polymerisation of ethylene or the copolymerisation of ethylene and alpha-olefins in a fluidised bed in the presence of a chromium based catalyst
03/20/1990US4910258 Method of producing graft polymerized soft fluororesin
03/20/1990US4910178 Olefin polymerization or copolymerization catalyst components
03/20/1990US4910121 Containing ethylenically unsaturated monomer ant titanocene photoinitiator
03/20/1990US4910046 Paint resin and its use for powder coating
03/20/1990CA1266948A1 Process for the polymerization or copolymerization of butadiene
03/20/1990CA1266947A1 Process for preparing polyolefins, polydienes and copolymers thereof
03/20/1990CA1266938A1 Process for preparing acrylonitrile-based filaments for carbon fibers free of agglutination
03/20/1990CA1266857A1 Process for copolymerization of ethylene
03/20/1990CA1266856A1 Process for polymerization of butene-1
03/15/1990DE3830195A1 Process for the preparation of homopolymers and copolymers of propene by means of a Ziegler-Natta catalyst system
03/14/1990EP0358589A1 Synthesis of high vinyl polybutadiene utilizing a molybdenum catalyst system
03/14/1990EP0358388A2 Composition for polymerization with improved activator system
03/14/1990EP0358265A2 Catalyst component and catalyst for the polymerization of ethylene and the copolymerization of ethylene with alpha-olefins
03/14/1990EP0358264A2 Catalyst component and catalyst for the production of very high molecular weight polyolefins
03/14/1990EP0358103A1 Method for the preparation of a polymer
03/14/1990EP0358033A1 Radical polymerizable compositions and their use
03/14/1990CN1040379A Process for polymerizing olefins and polymerization catalyst thereof
03/14/1990CN1040378A Components and catalysts for polymerization of olefins
03/14/1990CN1040376A Catalytic composition for poly merization of olefins and its process of prepn.
03/14/1990CN1007155B Polymerization of olefins using modified ziegler-natta catalyst
03/13/1990US4908463 Forming solution of hydrocarbyl aluminum compound in a dry inert hydrocarbon, forming water dispersion, reacting to form hydrocarbyl aluminoxane
03/13/1990US4908413 Reacting maleic anhydride with alkyl vinyl ether in acetone
03/12/1990EP0303617A4 Acid catalyzed process.
03/08/1990WO1990002143A1 New multiple-constituent mixtures capable of free-radical polymerization and their use
03/08/1990WO1990002142A1 New multiple-constituent mixtures capable of free-radical polymerization and their use
03/07/1990EP0357535A1 Syndiotactic 1,2-polybutadiene latex
03/07/1990EP0357135A2 Solid alkene polymerization catalyst components and process for their preparation
03/07/1990EP0356875A1 Radical polymerizable compositions and their use
03/07/1990EP0356842A2 Process for preparing propylene homo- and copolymers by means of a Ziegler-Natta catalytic system
03/07/1990EP0356841A2 Process for preparing propylene homo- and copolymers by means of a Ziegler-Natta catalytie system
03/07/1990EP0356692A2 Process for production of stretched moldings
03/07/1990CN1040209A Liquid catalyst component, catalyst system contg. said component and process for producing ethylene-alpha-olefin copolymer using said catalyst system
03/07/1990CN1040208A Craze-resistant transparent resinous copolymers
03/06/1990US4906713 "Acrylic" ladder polymers
02/1990
02/28/1990EP0356253A2 Polymerization process for methyl methacrylate with improved activator system
02/28/1990EP0356241A2 Graft copolymers
02/28/1990EP0356183A2 Catalyst for olefin polymerization
02/28/1990EP0356026A2 Azo amide compounds
02/28/1990EP0355997A2 Polymerisation process and catalyst system therefor
02/28/1990EP0355733A1 Amino or hydrazino peroxides, derivatives and their uses
02/28/1990EP0355603A2 Process for the preparation of propylene-ethylene copolymers of the type called shock-modified polypropylene
02/28/1990EP0355447A2 Propylene isoblock polymer and process for preparing the same
02/28/1990EP0355446A2 1-Olefin isoblock polymer and process for preparing the same
02/28/1990EP0355439A2 Process for preparing alpha-olefin polymers
02/28/1990CN1040036A Process and catalyst for producing syndiotactic polyolefins
02/28/1990CN1006983B Catalyst components for alpha olephinepolymerizing catalysts and procedure for mfg. same
02/27/1990US4904738 Extended pot life with molybdenum catalyst; free radical polymerizabel components; discoloration inhibition
02/27/1990US4904631 Supported vanadium catalyst for polymerization of olefins and a process of preparing and using the same
02/27/1990US4904630 Catalyst for olefin polymerization
02/27/1990US4904628 Components and catalysts for the polymerization of olefins
02/21/1990EP0355057A2 Polymerization process
02/21/1990CN1039812A Syndiotactic polypropylene
02/21/1990CN1039779A Twice-aged porous inorganic oxides, catalysts, and polymerization processes
02/20/1990US4902763 Using group v or vi metal halide catalyst and trialkylgermyalkyne compound promoter
02/20/1990US4902762 Process for preparing carbon fibers of high strength
02/20/1990US4902761 Method for producing an olefin polymer
02/20/1990US4902741 Syndiotactic 1,2-polybutadiene latex
02/14/1990EP0354893A2 Process for producing large symmetrical polymer particles
02/14/1990EP0354466A1 Process for producing resin for a toner
02/14/1990CN1039606A Process for preparation of heat-stable olefin polymers
02/14/1990CN1039605A Process for stabilization of polyolefins
02/13/1990US4900799 Metathesis polymerization of cycloolefins
02/13/1990US4900798 Preparation of ethene polymers using a ziegler catalyst system
02/13/1990US4900781 Process for modifying addition polymerization plastics
02/13/1990US4900706 Process for producing olefin polymers and catalyst used therein
02/13/1990US4900704 Peptized and phosphated inorganic oxides and catalysts supported on said oxides
02/13/1990US4900461 Viscosity modifier polymers (E-98)
02/13/1990CA1265894A1 PROCESS FOR STARTING UP THE POLYMERISATION OF ETHYLENE OR COPOLYMERISATION OF ETHYLENE AND AT LEAST ONE OTHER .alpha.-OLEFIN IN THE GAS PHASE IN THE PRESENCE OF A CATALYST BASEDON CHROMIUM OXIDE
02/13/1990CA1265893A1 PROCESS FOR THE POLYMERISATION OF ETHYLENE OR THE COPOLYMERISATION OF ETHYLENE AND .alpha.-OLEFINS IN A FLUIDISED BED IN THE PRESENCE OF A CHROMIUM BASED CATALYST
02/13/1990CA1265812A1 Method for producing partial- and ortho-esters of titanium, zirconium or hafnium
02/07/1990EP0354181A2 Curing combination for cationically polymerisable materials
02/07/1990EP0353729A2 Storage stable components of reactive formulations for bulk polymerization of cycloolefin monomers
02/07/1990EP0353720A2 Process for grafting maleic anhydride onto unsaturated polyolefinic elastomers
02/07/1990EP0353319A1 Butene-1 copolymer
02/07/1990EP0353318A1 Butene-1 copolymer
02/07/1990CN1006706B Catalyst components for alpha olephine polymerizing catalysts and procedure for mfg. same
02/06/1990US4898847 Catalyst and method for production of polymers and copolymers of 1-alkenes
02/06/1990CA1265646A1 PROCESS FOR THE START UP OF POLYMERISATION OR COPOLYMERISATION IN THE GAS PHASE OF .alpha.-OLEFINS IN THE PRESENCE OF A ZIEGLER-NATTA CATALYST SYSTEM
02/06/1990CA1265645A1 Process for the preparation of polyacethylene
02/06/1990CA1265638A1 Emulsion for modifying inorganic moldings and method of producing same
02/06/1990CA1265633A1 High trans butadiene based elastomeric block copolymers and blends
01/1990
01/31/1990EP0352911A2 Procedure and means for control/the follow-up of activating reactions for Ziegler-Natta catalyst carriers, and their use
01/31/1990EP0352715A1 Twice-aged porous inorganic oxides, catalysts, and polymerization processes
01/31/1990EP0352362A1 Butene-1 copolymer
01/30/1990US4897455 Polymerization process
01/30/1990US4897245 Catalytic reactor system for conversion of light olefin to heavier hydrocarbons with sorption recovery of unreacted olefin vapor
01/25/1990WO1989012649A3 Process for preparing a catalyst for the polymerization of olefins
01/24/1990EP0352022A1 Process for the gas-phase polymerization of olefins in a fluidized-bed reactor with the introduction of an organometallic compound
01/24/1990EP0351494A2 Catalyst for regulating the molecular weight distribution of ethylene polymers
01/24/1990EP0338044A4 Preparation of polyhydrocarbylaluminoxanes.
01/24/1990EP0248175B1 Polyisoprene having a high content of 1,2 and 3,4 structural units, process for preparing them and their use
01/24/1990CN1039032A Catalyst for regulating molecular weight distribution of ethylene polymers
01/24/1990CN1039031A Solid catalysts for polymers of alkenes and preparation thereof
01/23/1990US4895907 Graft polymerization on rubber, free radical polymerization
01/23/1990CA1264897A1 Enhanced process for preparing an ethylene/1-butene copolymer using ethylene polymerization
01/23/1990CA1264895A1 Plastic copolymers of propylene with linear dienes having conjugated double-bonds and process for preparing same