Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
03/1998
03/25/1998EP0831103A1 Propylene homopolymer
03/25/1998EP0830397A1 Process for preparing low molecular, highly reactive polyisobutylene
03/25/1998EP0830392A1 Supported catalyst composition for polymerization of olefins
03/25/1998EP0830391A1 Method for the preparation of a catalyst suitable for the polymerisation of an olefine
03/25/1998CN1176955A Method for preparing methylene bridged bicyclic pentadiene compounds
03/25/1998CN1037847C Method for polymerization of polyolefine by using ziegler Natta catalyst system
03/24/1998US5731393 Ethylene polymer, process for preparing the same, solid titanium catalyst component for ethylene polymerization and ethylene polymerization catalyst
03/24/1998US5731362 High melt strength, propylene polymer, process for making it, and use thereof
03/24/1998US5731254 Catalyst
03/18/1998EP0829489A1 Ziegler-Natta catalyst systems modified by their preparation
03/18/1998EP0647243B1 Process for preparing an ethylenic copolymer
03/17/1998US5728908 Process for preparing a bridged ligand and said bridged ligand
03/11/1998EP0827969A2 Chromium catalysts carried on mesoporous molecular sieves
03/11/1998EP0705281B1 Supported metallocene catalyst systems for the polymerization of olefins, preparation and use thereof
03/11/1998EP0628022B1 Process for the preparation of polyisobutyl hydroxyaromatics
03/10/1998US5726262 Resulting in polymers high in stereospecificity
03/10/1998US5726261 Coordination polymerization catalysts for olefins
03/09/1998WO1998038225A1 Method of recovering boron trifluoride complex and process for producing olefin oligomer using the same
03/04/1998EP0720627B1 Catalysts and processes for the polymerization of olefins
03/04/1998CN1174850A Solid catalyst component for alpha-olefin polymerization, catalyst for alpha-olefin polymerization, and process for producing alpha-olefin polymer
03/04/1998CN1037610C Process for olefin polymerization
03/04/1998CN1037609C Components and catalyst for polymerization of olefins
03/03/1998US5723705 Process for the preparation of polyolefin waxes in the presence of a metallocene catalyst and a co-catalyst
03/03/1998US5723640 Transition metal compound having indenyl-containing metallocene
03/03/1998US5723560 Group 4 or 5 metal catalyst for olefin polymerization
03/03/1998US5723399 Ethylenic polymerization catalyst
02/1998
02/26/1998WO1998007762A1 Process for preparing ethylenic polymer
02/26/1998WO1998007761A1 Catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for preparing polyolefin
02/26/1998WO1998007515A1 Use of group 13 metal perfluoroaryl fluoro anions in metallocene catalysts for olefin polymerization
02/26/1998DE19736616A1 Alpha-olefin polymerisation catalyst containing an organo:aluminium and an electron donor compound
02/25/1998CN1174205A Carrier catalyst system, its prep, and use in polymerization of olefines thereof
02/24/1998US5721185 Homogeneous olefin polymerization catalyst by abstraction with lewis acids
02/18/1998EP0824226A1 Toner for developing electrostatic images comprising at least one partially tactic polyalkylene wax
02/18/1998EP0824113A1 Supported catalyst, process for its preparation and its use in olefin polymerization
02/18/1998EP0824112A1 Supported chemical compound
02/18/1998EP0823919A1 Process and catalyst component for homo- and copolymerization of olefins
02/18/1998CN1173879A Solid titanium catalyst component and utilization thereof in olefin polymerization catalyst
02/18/1998CN1173506A Process fro manufacturing polyolefins
02/18/1998CN1173503A Olefin Polymerization catalyst compositions
02/18/1998CN1173501A Catalyst systems of Ziegler-Natta type
02/17/1998US5719241 Alumoxane and at least two metallocenes
02/17/1998US5719235 Catalyst system, use of this catalyst system for the (co)polymerization of olefins, process for preparing this catalyst system and olefin (co)polymerization process
02/13/1998CA2212668A1 Supported chemical compound
02/12/1998WO1997032918A3 Group 4 metal-containing organosilicon dendrimers and method for synthesizing organosilicon dendrimers
02/11/1998EP0822946A1 Azaborolinyl metal complexes as olefin polymerization catalysts
02/11/1998CN1173185A Method for preventing fouling in polymerization reactors
02/11/1998CN1172814A Ethylene gaseous phase polymerization multifunction catalyst and its preparation method
02/05/1998WO1998004600A1 Highly crystalline polypropylene
02/05/1998WO1998004570A1 Catalysts containing organochromium compounds and their use for polymerising alkenes
02/05/1998DE19630580A1 Alkene polymerisation catalyst
02/05/1998CA2260003A1 Catalysts containing organochromium compounds and their use for polymerising alkenes
02/04/1998CN1172488A Thermoplastic elastomeric stereoblock olefin polymers methods and metallocene catalysts
02/04/1998CN1172119A Polymerization catalyst
02/03/1998US5714556 Olefin polymerization process
02/03/1998US5714427 Coordination catalysts for alpha-olefins to form polymers of broad molecular weight, high stereospecificity and good particle morphology; transparent films; thermoforming; foams; metallocenes; alumoxanes
02/03/1998US5714426 Olefin polymerization catalyst
02/03/1998US5713966 Antideposit agents
01/1998
01/28/1998EP0821012A2 Propylene-based polymer, method for its production, composition thereof
01/28/1998EP0821011A2 Process for the preparation of ethylene-based polymers and catalyst system used therein
01/28/1998EP0821009A1 A catalyst system having a metallocene linked to a carrier by an anchored chain
01/28/1998EP0820475A1 Method of preparing catalyst components
01/28/1998EP0820474A1 Method for preventing fouling and sheeting in gas phase reactors
01/28/1998EP0574561B1 Improved catalyst composition
01/28/1998CN1037182C Crystalline polymers of propylene having improved processability in molten state and process for their preparation
01/27/1998US5712323 Cross -linked atactic or amorphous propylene polymers
01/22/1998WO1998002471A1 Elastomers and process for their manufacture
01/22/1998WO1998002469A1 Syndiotactic/atactic block polyolefins, catalysts and processes for producing the same
01/22/1998WO1998002246A1 Supported metallocene catalyst for olefin polymerization
01/22/1998WO1996023004A3 Borabenzene based olefin polymerization catalysts
01/21/1998EP0819706A1 Process for the syndiotactic propagation of olefins
01/21/1998EP0819705A1 Olefin polymerization
01/20/1998US5710297 For use in the manufacture of cycloolefin copolymers
01/20/1998US5710229 Large-pole polyolefin, a method for its production and a procatalyst containing a transesterification product of a lower alcohol and a phthalic acid ester
01/20/1998US5710224 Catalytic polymerization of ethylene using fluorene indenyl ethane zirconium dichloride with metallocene
01/20/1998US5710223 Coordination polymerization catalysts for propylene homopolymers and copolymers
01/20/1998US5710222 Catalytic polymerization of propylene with metallocene compound with group ivb metal and extration
01/20/1998CA2040336C Solid titanium catalyst component for olefin polymerization, olefin polymerization catalyst, prepolymerized polyolefin-containing catalyst and method of olefin polymerization
01/18/1998CA2181413A1 Process for the syndiotactic propagation of olefins
01/15/1998WO1998001487A1 Method for producing elastomers
01/15/1998WO1998001486A1 Method for producing thermoplastic elastomers
01/15/1998WO1998001485A1 Method for producing high melting-point polyolefins
01/15/1998WO1998001484A1 Method for producing cycloolefin (co)polymers for technical applications
01/15/1998WO1998001483A1 Method for producing cycloolefin (co)polymers for use in optical data memories
01/15/1998WO1998001481A1 Process for preparing carrier-borne transition metal catalysts
01/15/1998WO1998001455A1 Metallocene compounds
01/15/1998WO1998001085A1 Crosslinking of polyethylene for low wear using radiation and thermal treatments
01/15/1998DE19627896A1 Simple production of highly active transition metal catalyst component for production of ultra-high molecular (co)polyolefin
01/15/1998CA2259553A1 Method for producing cycloolefin (co)polymers for technical applications
01/15/1998CA2259422A1 Method for producing cycloolefin (co)polymers for use in optical data memories
01/14/1998EP0818475A1 Syndiotactic/atactic block polyolefins, catalysts and processes for producing the same
01/14/1998EP0818458A1 Transition metal compound, polymerization catalyst for olefins, and process for producing olefinic polymers
01/14/1998CN1170002A Processes to produce-aluminoxane compositions
01/14/1998CN1170001A Method for feeding liquid catalyst to fluidized bed polymerization reactor
01/13/1998US5707913 Amidinato catalyst systems for the polymerization of olefins
01/13/1998US5707772 Resin, color and polyolefin releasing agent
01/08/1998DE19727257A1 New ethylene] homopolymers or copolymers with alpha olefin]
01/08/1998DE19627064A1 Metallocen-Verbindungen Metallocene compounds
01/07/1998EP0816394A1 Process from polymerising ethylene in the gas phase
01/07/1998EP0816386A2 Olefin polymerization catalyst having a multidentate ligand
01/07/1998EP0815145A1 Multi-phase polymerization process