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Owen Portwood
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Columbus, OH, US
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last 30 patents
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Patent Grant
Diquaternary compounds useful as bleach activators
Patent number
5,705,681
Issue date
Jan 6, 1998
Witco Corporation
Philip H. Steiger
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Diquaternary compounds useful as bleach activators, and composition...
Patent number
5,662,827
Issue date
Sep 2, 1997
Witco Corporation
Philip H. Steiger
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Diquaternary bleach activators and compositions containing them
Patent number
5,399,746
Issue date
Mar 21, 1995
Witco Corporation
Philip H. Steiger
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Ore dewatering process and compositions therefor
Patent number
4,990,264
Issue date
Feb 5, 1991
Sherex Chemical Company, Inc.
James G. Fuller
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Process for preparing quaternary ammonium compounds
Patent number
4,982,000
Issue date
Jan 1, 1991
Sherex Chemical Co., Inc.
Gary W. Earl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Liquid phase process for producing esters
Patent number
4,724,100
Issue date
Feb 9, 1988
Sherex Chemical Company, Inc.
Robert M. Gilbert
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...