Cornelis B. Donker

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Dordrecht, NL

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Patents Grantslast 30 patents

Information Patent Grant
Bleach catalyst composition
- Patent number 5,536,441
- Issue date Jul 16, 1996
- Lever Brothers Company, division of Conopco, Inc.
- Andrew P. Chapple
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Stabilization of peroxygen bleach in enzyme-containing heavy duty l...
- Patent number 5,264,142
- Issue date Nov 23, 1993
- Lever Brothers Company, division of Conopco, Inc.
- John F. Hessel
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Aqueous structured liquid detergent compositions containing selecte...
- Patent number 5,160,655
- Issue date Nov 3, 1992
- Lever Brothers Company, division of Conopco, Inc.
- Cornelis B. Donker
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Aqueous liquid abrasive cleaning composition: particulate abrasive...
- Patent number 4,911,857
- Issue date Mar 27, 1990
- Lever Brothers Company
- David Machin
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...