John H. S. Rennie

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Cheshire, GB

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Patents Grantslast 30 patents

Information Patent Grant
Spheroidal silica
- Patent number 5,112,612
- Issue date May 12, 1992
- Unilever Patent Holdings B.V.
- Michael J. Garvey
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Spheroidal silica
- Patent number 5,011,690
- Issue date Apr 30, 1991
- Unilever Patent Holdings B.V.
- Michael J. Garvey
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE