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Hughie R. Frick
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Bay County, MI, US
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Patents Grants
last 30 patents
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Patent Grant
Process for preparing vinylically-unsaturated compounds
Patent number
5,264,646
Issue date
Nov 23, 1993
The Dow Chemical Company
Robert A. DeVries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing vinylically-unsaturated compounds (II)
Patent number
5,243,068
Issue date
Sep 7, 1993
The Dow Chemical Company
Robert A. DeVries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying vinylically-unsaturated organosilicon compounds
Patent number
5,138,081
Issue date
Aug 11, 1992
The Dow Chemical Company
Robert A. DeVries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing vinylically-unsaturated compounds (II)
Patent number
5,136,069
Issue date
Aug 4, 1992
The Dow Chemical Company
Robert A. DeVries
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Separation process for anhydrous HCl and HBr by thermal cleavage
Patent number
4,830,846
Issue date
May 16, 1989
The Dow Chemical Company
Herbert C. Jackson
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Perfluorinated para-diketone polymers
Patent number
3,996,200
Issue date
Dec 7, 1976
The Dow Chemical Company
Harold E. Doorenbos
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Perfluorocyclohexene-1,4-dione
Patent number
3,931,325
Issue date
Jan 6, 1976
The Dow Chemical Company
Harold E. Doorenbos
C07 - ORGANIC CHEMISTRY