Stephen J. Kirchner

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Madison, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Photoprotection compositions and methods comprising sorbohydroxamic...
- Patent number 5,039,513
- Issue date Aug 13, 1991
- The Procter & Gamble Company
- Ranjit U. Chatterjee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Photoprotection compositions comprising sorbohydroxamic acid
- Patent number 4,869,897
- Issue date Sep 26, 1989
- The Procter & Gamble Company
- Ranjit Chatterjee
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE