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Geir Bjornson
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Bartlesville, OK, US
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Patents Grants
last 30 patents
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Patent Grant
Polymers useful in the recovery and processing of natural resources
Patent number
5,382,371
Issue date
Jan 17, 1995
Phillips Petroleum Company
G. Allan Stahl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymers useful in the recovery and processing of natural resources
Patent number
5,186,257
Issue date
Feb 16, 1993
Phillips Petroleum Company
Allan Stahl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gamma-butyrolactone production catalyst
Patent number
5,086,030
Issue date
Feb 4, 1992
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymers useful in the recovery and processing of natural resources
Patent number
5,080,809
Issue date
Jan 14, 1992
Phillips Petroleum Company
G. Allan Stahl
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Gamma-butyrolactone production process and catalyst therefor
Patent number
4,968,818
Issue date
Nov 6, 1990
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrotreating catalyst composition
Patent number
4,693,991
Issue date
Sep 15, 1987
Phillips Petroleum Company
Geir Bjornson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Hydrotreating process employing a novel catalytic composition
Patent number
4,655,906
Issue date
Apr 7, 1987
Phillips Petroleum Company
Geir Bjornson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Catalyst for hydrodealkylation process
Patent number
4,331,566
Issue date
May 25, 1982
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Conversion of alkyl and aryl hydroxy compounds producing aldehyde,...
Patent number
4,304,943
Issue date
Dec 8, 1981
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polycyclic phenols, alcohols and ketones from phenols, cyclic alcoh...
Patent number
4,258,268
Issue date
Mar 24, 1981
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Cleavage of alkylenebisphenols
Patent number
4,258,221
Issue date
Mar 24, 1981
Phillips Petroleum Company
Ronald D. Knudsen
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrodehydroxylation process using a rhenium-fluorided alumina cata...
Patent number
4,205,017
Issue date
May 27, 1980
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrodealkylation process and catalyst
Patent number
4,191,844
Issue date
Mar 4, 1980
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Hydrodealkylation process
Patent number
4,189,613
Issue date
Feb 19, 1980
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for separating tetraalkylammonium salts
Patent number
4,072,713
Issue date
Feb 7, 1978
Phillips Petroleum Company
Geir Bjornson
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Acid anhydride to react with impurities in the production of perflu...
Patent number
4,038,310
Issue date
Jul 26, 1977
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azeotropic distillation of 1,1,1,3,3,3-hexafluoroisopropyl trifluor...
Patent number
4,026,930
Issue date
May 31, 1977
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Azeotropic composition containing fluorotrichloromethane and 1,1,1,...
Patent number
3,990,989
Issue date
Nov 9, 1976
Phillips Petroleum Company
Geir Bjornson
C07 - ORGANIC CHEMISTRY