two cyclopentadienyl rings being mutually non-bridged

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CPC
C08F4/63925

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CCHEMISTRY METALLURGY C08Organic compounds C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS C08F4/00Polymerisation catalysts

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C08F4/63925two cyclopentadienyl rings being mutually non-bridged

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Patents Grantslast 30 patents

Information Patent Grant
Methods for restoring metallocene solids exposed to air
- Patent number 10,550,208
- Issue date Feb 4, 2020
- Chevron Phillips Chemical Company LP
- Qing Yang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst composition and method of preparing polyolefin using the same
- Patent number 10,513,474
- Issue date Dec 24, 2019
- LG Chem, Ltd.
- Jin Young Park
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods for restoring metallocene solids exposed to air
- Patent number 10,221,258
- Issue date Mar 5, 2019
- Chevron Phillips Chemical Company LP
- Qing Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalyst system for olefin oligomerization reaction, and method for...
- Patent number 10,207,963
- Issue date Feb 19, 2019
- LG Chem, Ltd.
- Jin Young Park
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Processes for making multimodal molecular weight distribution polyo...
- Patent number 8,691,714
- Issue date Apr 8, 2014
- ExxonMobil Chemical Patents Inc.
- Matthew W. Holtcamp
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing catalysts and catalysts made thereby
- Patent number 8,653,208
- Issue date Feb 18, 2014
- Union Carbide Chemicals and Plastics Technology LLC
- Robert James Jorgensen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Processes for making multimodal molecular weight distribution polyo...
- Patent number 8,148,470
- Issue date Apr 3, 2012
- ExxonMobil Chemical Patents Inc.
- Matthew W. Holtcamp
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Methods of preparing active chromium/alumina catalysts via treatmen...
- Patent number 7,214,642
- Issue date May 8, 2007
- Chevron Phillips Chemical Company LP
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst system for ethylene polymerizations
- Patent number 6,794,326
- Issue date Sep 21, 2004
- Borealis Technology Oy
- Arild Follestad
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Catalyst for the (co)polymerization of ethylene and a method for th...
- Patent number 6,780,809
- Issue date Aug 24, 2004
- Borealis Technology Oy
- Arild Follestad
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Start-up procedure for multiple catalyst polymerization systems
- Patent number 6,620,894
- Issue date Sep 16, 2003
- Univation Technologies, LLC
- William Howard Sachs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyethylenes obtained by use of dual site catalyst
- Patent number 6,541,581
- Issue date Apr 1, 2003
- Borealis Technology Oy
- Arild Follestad
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified particles, catalyst for olefin polymerization, and process...
- Patent number 6,528,596
- Issue date Mar 4, 2003
- Sumitomo Chemical Company, Limited
- Kazuo Takaoki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyethylenes having a broad molecular weight...
- Patent number 6,242,543
- Issue date Jun 5, 2001
- Borealis A/S
- Arild Follestad
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin polymerization using aluminoxane/chromium catalysts
- Patent number 6,031,055
- Issue date Feb 29, 2000
- Chevron Chemical Company
- Pamela R. Auburn
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyolefins
- Patent number 5,648,439
- Issue date Jul 15, 1997
- Phillips Petroleum Company
- Joseph J. Bergmeister
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyolefins
- Patent number 5,624,877
- Issue date Apr 29, 1997
- Phillips Petroleum Company
- Joseph J. Bergmeister
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Transition metal catalyst, method of preparing catalyst, polymeriza...
- Patent number 5,401,816
- Issue date Mar 28, 1995
- Phillips Petroleum Company
- Henry L. Hsieh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymerization process using a silica gel supported metallocene-alu...
- Patent number 5,147,949
- Issue date Sep 15, 1992
- Exxon Chemical Patents Inc.
- Main Chang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for reducing sheeting during polymerization of alpha-olefins
- Patent number 4,876,320
- Issue date Oct 24, 1989
- Union Carbide Chemicals and Plastics Company Inc.
- Bernard D. Fulks
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ethylene polymer produced using a catalyst comprising a phosphate a...
- Patent number 4,803,253
- Issue date Feb 7, 1989
- Phillips Petroleum Company
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for reducing sheeting during polymerization of alpha-olefins
- Patent number 4,792,592
- Issue date Dec 20, 1988
- Union Carbide Corporation
- Bernard D. Fulks
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3879368
- Patent number 3,879,368
- Issue date Apr 22, 1975
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3013002
- Patent number 3,013,002
- Issue date Dec 12, 1961
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Methods for Restoring Metallocene Solids Exposed to Air
- Publication number 20190144572
- Publication date May 16, 2019
- Chevron Phillips Chemical Company LP
- Qing Yang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Preparing Catalysts and Catalysts Made Thereby
- Publication number 20140121095
- Publication date May 1, 2014
- UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC
- Robert James Jorgensen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Process for Preparing Catalysts and Catalysts made thereby
- Publication number 20130310526
- Publication date Nov 21, 2013
- UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC
- Robert James Jorgensen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Processes For Making Multimodal Molecular Weight Distribution Polyo...
- Publication number 20120149552
- Publication date Jun 14, 2012
- Matthew W. HOLTCAMP
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Methods of preparing active chromium/alumina catalysts via treatmen...
- Publication number 20050239641
- Publication date Oct 27, 2005
- Max P. McDaniel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Start-up procedure for multiple catalyst polymerization systems
- Publication number 20020132937
- Publication date Sep 19, 2002
- William Howard Sachs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Modified particles, catalyst for olefin polymerization using the sa...
- Publication number 20010007007
- Publication date Jul 5, 2001
- Kazuo Takaoki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

two cyclopentadienyl rings being mutually non-bridged

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods for restoring metallocene solids exposed to air

Catalyst composition and method of preparing polyolefin using the same

Methods for restoring metallocene solids exposed to air

Catalyst system for olefin oligomerization reaction, and method for...

Processes for making multimodal molecular weight distribution polyo...

Process for preparing catalysts and catalysts made thereby

Processes for making multimodal molecular weight distribution polyo...

Methods of preparing active chromium/alumina catalysts via treatmen...

Catalyst system for ethylene polymerizations

Catalyst for the (co)polymerization of ethylene and a method for th...

Start-up procedure for multiple catalyst polymerization systems

Polyethylenes obtained by use of dual site catalyst

Modified particles, catalyst for olefin polymerization, and process...

Process for producing polyethylenes having a broad molecular weight...

Olefin polymerization using aluminoxane/chromium catalysts

Process for producing polyolefins

Process for producing polyolefins

Transition metal catalyst, method of preparing catalyst, polymeriza...

Polymerization process using a silica gel supported metallocene-alu...

Process for reducing sheeting during polymerization of alpha-olefins

Ethylene polymer produced using a catalyst comprising a phosphate a...

Process for reducing sheeting during polymerization of alpha-olefins

3879368

3013002

Patents Applicationslast 30 patents

Methods for Restoring Metallocene Solids Exposed to Air

Process for Preparing Catalysts and Catalysts Made Thereby

Process for Preparing Catalysts and Catalysts made thereby

Processes For Making Multimodal Molecular Weight Distribution Polyo...

Methods of preparing active chromium/alumina catalysts via treatmen...

Start-up procedure for multiple catalyst polymerization systems

Modified particles, catalyst for olefin polymerization using the sa...