Kiiti Ema

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing 2,3,5-trimethylbenzoquinone
- Patent number 5,104,996
- Issue date Apr 14, 1992
- Eisai Co., Ltd.
- Noriyasu Hirose
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Novel vitamin E derivatives and process for the production thereof
- Patent number 5,102,895
- Issue date Apr 7, 1992
- Eisai Co., Ltd.
- Noriyasu Hirose
- C07 - ORGANIC CHEMISTRY