David W. Roberts

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Bebington, GB

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Patents Grantslast 30 patents

Information Patent Grant
Detergent production
- Patent number 5,466,851
- Issue date Nov 14, 1995
- Lever Brothers Company, division of Conopco, Inc.
- Amanda J. Adams
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fabric washing compositions
- Patent number 5,002,687
- Issue date Mar 26, 1991
- Lever Brothers Company, division of Conopco, Inc.
- David W. Roberts
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Preparation of sulphonated aromatic esters
- Patent number 4,788,316
- Issue date Nov 29, 1988
- Lever Brothers Company
- David W. Thornthwaite
- C07 - ORGANIC CHEMISTRY