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Harvey E. Atwood
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Kingwood, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Process for preparing block copolymer and resulting composition
Patent number
7,625,979
Issue date
Dec 1, 2009
Kraton Polymers US LLC
Harvey E. Atwood
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Organo-dilithium compound and process for preparing the same
Patent number
7,550,537
Issue date
Jun 23, 2009
Kraton Polymers US LLC
Carl L. Willis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Anionic polymerization diinitiator and process for preparing same
Patent number
7,285,596
Issue date
Oct 23, 2007
Kraton Polymers US LLC
Carl L. Willis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing block copolymer and resulting composition
Patent number
7,220,798
Issue date
May 22, 2007
Kraton Polymers US LLC
Harvey E. Atwood
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coupled styrenic block copolymers and process for preparing same
Patent number
7,009,000
Issue date
Mar 7, 2006
Kraton Polymers US LLC
Robert Bening
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing specific tapered block copolymers
Patent number
6,221,968
Issue date
Apr 24, 2001
Shell Oil Company
Harvey Emerson Atwood
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Star polymer viscosity index improver for oil compositions
Patent number
H1799
Issue date
Aug 3, 1999
Shell Oil Company
Robert Barnett Rhodes
525 - Synthetic resins or natural rubbers
Information
Patent Grant
Solid viscosity index improvers which provide excellent low tempera...
Patent number
5,278,252
Issue date
Jan 11, 1994
Shell Oil Company
Robert B. Rhodes
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Solid viscosity index improvers which provide excellant low tempera...
Patent number
5,223,579
Issue date
Jun 29, 1993
Shell Oil Company
Robert B. Rhodes
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for preparing asymmetric radial polymers
Patent number
5,212,249
Issue date
May 18, 1993
Shell Oil Company
Gary W. Richie
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Isoprene recovery in the butyl rubber process
Patent number
5,035,794
Issue date
Jul 30, 1991
Exxon Chemical Patents Inc.
Harvey E. Atwood
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Isoprene recovery in the butyl rubber process
Patent number
4,921,924
Issue date
May 1, 1990
Exxon Chemical Patents Inc.
Harvey E. Atwood
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
ANIONIC POLYMERIZATION DIINITIATOR AND PROCESS FOR PREPARING SAME
Publication number
20080111256
Publication date
May 15, 2008
Kraton Polymers U.S. LLC
Carl L. Willis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for preparing block copolymer and resulting composition
Publication number
20050154144
Publication date
Jul 14, 2005
Kraton Polymers U.S. LLC
Harvey E. Atwood
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Anionic polymerization diinitiator and process for preparing same
Publication number
20050101741
Publication date
May 12, 2005
Kraton Polymers U.S. LLC
Carl L. Willis
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Coupled styrenic block copolymers and process for preparing same
Publication number
20040054090
Publication date
Mar 18, 2004
Kraton Polymers U.S. LLC
Robert Bening
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for preparing block copolymer and resulting composition
Publication number
20030232928
Publication date
Dec 18, 2003
Kraton Polymers U.S. LLC
Harvey E. Atwood
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...