Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
04/1990
04/04/1990EP0361494A2 Components and catalysts for the polymerization of olefins
04/04/1990EP0361363A2 High strength linear, low density polyethylene polymerization process and film (phenomenal film)
04/03/1990US4914253 Using a supported group 4 or 5 metallocene-alumoxane catalyst; molecular weight control with hydrogen
03/1990
03/27/1990US4912279 In binder
03/27/1990US4912074 Catalyst composition for preparing high density or medium density olefin polymers
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
03/20/1990CA1266856A1 Process for polymerization of butene-1
02/1990
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
02/28/1990CN1040036A Process and catalyst for producing syndiotactic polyolefins
02/21/1990CN1039812A Syndiotactic polypropylene
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
01/1990
01/17/1990EP0351392A2 Process and catalyst for producing syndiotactic polyolefins
01/17/1990EP0351391A2 Syndiotactic polypropylene
01/17/1990EP0351189A2 Ethylene-alpha-olefin copolymer and films obtained therefrom
01/10/1990EP0349927A2 Catalyst for regulating the molecular weight distribution of ethylene polymers
01/09/1990US4892851 Process and catalyst for producing syndiotactic polyolefins
01/09/1990CA1264399A1 Process for the preparation of polyolefins
01/03/1990EP0349146A2 Process for preparing ultra-high molecular weight polyethylene
12/1989
12/19/1989CA1263996A1 Process for polymerizing a monomer charge
12/12/1989US4886771 Catalyst for regulating the molecular weight distribution of ethylene polymers
11/1989
11/08/1989EP0341012A2 Uniform molecular weight polymers
11/07/1989US4879076 Process for the production of polyethylene materials
11/07/1989EP0324835A4 Propylene polymerization catalyst and method.
11/02/1989EP0339571A1 Process for preparation of ethylene polymers
10/1989
10/24/1989US4876320 Process for reducing sheeting during polymerization of alpha-olefins
10/11/1989EP0336128A2 Process for preparing an alpha-olefin polymer
09/1989
09/26/1989US4870144 Process for producing an isobutylene polymer having functional terminal end groups
09/26/1989CA1260490A1 Process and catalyst for polyolefin density and molecular weight control
09/06/1989CN1035298A Process for production of polyethylene with broad and /or bimodal molecular weight distribution
08/1989
08/23/1989EP0328826A2 Process and apparatus for controlling the manufacture of polymers
08/23/1989EP0224479B1 Process for reducing sheeting during polymerization of alpha-olefins
07/1989
07/26/1989EP0324838A1 Lower alkene polymers
07/26/1989EP0324835A1 Propylene polymerization catalyst and method
07/25/1989US4851489 Long chain branching in polyolefins from Ziegler-Natta catalysts
07/19/1989EP0324585A2 Catalyst composition for preparing high density or linear low density olefin polymers of controlled molecular weight distribution
07/19/1989CN1034008A Polyolefin composition for injection molding
07/18/1989US4849572 Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647)
07/18/1989US4849487 1-olefin stereoblock polymer, and a process for its preparation
07/13/1989WO1989006244A1 Process and apparatus for controlling the manufacture of polymers
07/12/1989CN1033813A Propolene polymer and their production
07/11/1989CA1257450A1 Control method of polymerization temperature
07/05/1989EP0322731A2 Vinylcyclohexane-based polymers and process for production thereof
06/1989
06/28/1989EP0322241A2 Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts
06/28/1989EP0321853A1 Alpha-olefin stereo block polymer wax, and process for preparing the same
06/28/1989EP0321852A1 Poly-alpha-olefin wax and process for preparing the same
06/28/1989EP0321851A1 Polyethylene wax and process for preparing the same
06/28/1989CN1004629B Process for producing chlorinated high polymers by solid phase chlorination under stirring
06/20/1989US4841004 Zirconium metallocene and alumoxane polymerization catalysts
06/14/1989EP0320150A2 Propylene polymers and their production
06/07/1989EP0318609A1 Polypropylene impact copolymer reactor control system
05/1989
05/24/1989EP0317240A1 Alpha-olefinic random copolymer and production process thereof
05/24/1989EP0317200A1 Process for preparing ultrathigh molecular weight polyethylene
05/16/1989US4831000 Coordination catalyst containing aluminum, titanium, vanadium, and ether
05/03/1989EP0314165A1 Process for the production of polyethylene with a broad and/or bimodal molecular weight distribution
04/1989
04/26/1989EP0313076A2 Process for the high-pressure homopolymerization of ethylene
04/18/1989US4822945 Preparation of decene oligomers and use thereof as lubricating oils
04/11/1989US4820785 Trialkyl boron or dialkyl aluminum alkoxide activated chromium cocatalyst on silica support; ethylene polymerization
04/05/1989EP0310449A2 Process for the production of polyethylene materials
03/1989
03/29/1989CN1032016A Process for olefin polymerization
03/22/1989EP0307907A2 Process for olefin polymerization
02/1989
02/15/1989EP0303519A1 Polymerization of ethylene
02/09/1989WO1989001001A1 Lower alkene polymers
02/09/1989DE3823934A1 Process for producing an ethylene polymerisation catalyst and ethylene polymerisation process
02/08/1989EP0302424A1 Process for preparing 1-olefinpolymers
02/08/1989CN1030907A Lower alkene polymers
01/1989
01/26/1989WO1989000584A1 Propylene polymerization catalyst and method
01/11/1989EP0298432A2 Process for the manufacture of polyethylene
01/10/1989CA1248694A1 Process for producing poly-1-butene
01/10/1989CA1248509A1 Polymerization catalyst, production and use
01/04/1989CN1030082A Catalyst for producing atactic polyproylene and procedure for preparing such catalyst
12/1988
12/28/1988CN88101337A Process for preparing fine grain aluminoxane
12/27/1988US4794096 Hafnium metallocene catalyst for the polymerization of olefins
12/21/1988EP0295312A1 Solid catalyst for olefin polymerization and process for its preparation
12/20/1988US4792592 Maintaining static electric charge in reaction mass
12/14/1988EP0294942A1 Solid catalyst for polymerizing an olefin
12/14/1988CN88103902A Solid catalyst for polymerizing olefin
12/01/1988WO1988009348A1 Catalyst for producing atactic polypropylene, and procedure for preparing such catalyst
11/1988
11/23/1988EP0292007A2 Packaging material for photosensitive materials
11/23/1988EP0291824A2 Improved chromium catalyst compositions
10/1988
10/26/1988EP0287666A1 Process for polymerizing olefins
10/19/1988CN87107013A Method for varying melting points and molecular weights of polyolefin using metallocene catalyst systems
10/19/1988CN87106984A Hafnium metallocene catalyst for the polymerization of olefins
10/05/1988EP0284708A1 Metallocene catalyst systems for olefin polymerization having a silicon hydrocarbyl bridge.
10/05/1988EP0284707A1 Hafnium metallocene catalyst for the polymerization of olefins
09/1988
09/28/1988EP0283958A2 Olefin polymer and process for production thereof
09/27/1988CA1242550A1 Catalyst for alpha-olefin polymerization
09/06/1988US4769510 Process for the preparation of polyolefins
08/1988
08/31/1988EP0279890A2 In situ comonomer generation in olefin polymerization
08/31/1988EP0279863A1 Catalyst for polymerizing alpha-olefin and polymerization process
08/30/1988US4767735 Flowing catalyst and monomer through elongated tubal reactor for controlled time
08/24/1988EP0279586A2 Finely divided aluminoxane, process for producing same and its use
08/24/1988EP0279456A2 Process for producing isobutylene polymers having functional terminal end groups
08/24/1988EP0279153A2 Process for increasing the efficiency of a pre-polymerized catalyst
08/17/1988CN87107158A Process for increasing efficiency of pre-polymerized catalyst
08/11/1988WO1988005793A1 Catalysts, method of preparing these catalysts and method of using said catalysts
08/11/1988WO1988005792A1 Catalysts, method of preparing these catalysts, and polymerization processes wherein these catalysts are used
08/10/1988EP0277553A2 Branched low-pressure polyolefines and their preparation process
08/10/1988EP0277514A2 Highly crystalline polypropylene
08/10/1988CN85105150B Polymerization of olefin and its catalyst