Robert M. Parkhurst

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Redwood City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Camellia sinensis extracts that promote the growth of bifidobacterium
- Patent number 5,071,653
- Issue date Dec 10, 1991
- Itoen Ltd.
- Takami Kakuda
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
1,4-bis (dihydroxyphenyl) butane and analogs
- Patent number 4,954,659
- Issue date Sep 4, 1990
- Chemex Pharmaceuticals, Inc.
- Robert M. Parkhurst
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Optically active nordihydroguaiaretic acid and intermediates
- Patent number 4,562,298
- Issue date Dec 31, 1985
- Chemex Pharmaceuticals, Inc.
- Robert M. Parkhurst
- C07 - ORGANIC CHEMISTRY