Hitoshi Saima

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing para-hydroxybenzoic acid
- Patent number 5,124,477
- Issue date Jun 23, 1992
- Kawasaki Steel Corporation
- Toshinobu Suzuki
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing para-hydroxybenzoic acid
- Patent number 5,072,036
- Issue date Dec 10, 1991
- Kawasaki Steel Corporation
- Toshinobu Suzuki
- C07 - ORGANIC CHEMISTRY