Cornelis B. Donker

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Caldy, GB

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Patents Grantslast 30 patents

Information Patent Grant
Non-aqueous liquid cleaning products which contain modified silica
- Patent number 5,714,449
- Issue date Feb 3, 1998
- Unilever Patent Holdings B.V.
- Cornelis Bernard Donker
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Liquid detergent compositions
- Patent number 5,672,580
- Issue date Sep 30, 1997
- Lever Brothers Company, division of Conopco, Inc.
- Cornelis Bernard Donker
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Stable nonaqueous liquid detergents containing a metal oxide of bul...
- Patent number 5,368,767
- Issue date Nov 29, 1994
- Unilever Patent Holdings, B.V.
- Cornelis B. Donker
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...