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Charles F. Irwin
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Randolph, NJ, US
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last 30 patents
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Patent Grant
Process for producing concentrated laundry detergent by manufacture...
Patent number
5,453,215
Issue date
Sep 26, 1995
Lever Brothers Company, division of Conopco, Inc.
William M. Karpusiewicz
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Process for producing concentrated laundry detergent by manufacture...
Patent number
5,447,651
Issue date
Sep 5, 1995
Lever Brothers Company, division of Conopco, Inc.
William M. Karpusiewicz
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Polymer protected bleach precursors
Patent number
5,055,217
Issue date
Oct 8, 1991
Lever Brothers Company, division of Conopco, Inc.
Rigoberto F. Garcia
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Bleach compositions and process for making same
Patent number
4,917,811
Issue date
Apr 17, 1990
Lever Brothers Company
Jeffrey N. Foster
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Preparation of bleach catalyst aggregates of manganese cation impre...
Patent number
4,711,748
Issue date
Dec 8, 1987
Lever Brothers Company
Charles F. Irwin
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Bleach composition of detergent base powder and agglomerated mangan...
Patent number
4,655,782
Issue date
Apr 7, 1987
Lever Brothers Company
Elizabeth J. McCallion
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...