Teruaki Yamada

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of high-purity naphthalenecarboxylic ac...
- Patent number 5,095,135
- Issue date Mar 10, 1992
- Sumikin Chemical Co., Ltd.
- Teruaki Yamada
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of naphthalene dicarboxylic acids
- Patent number 4,925,977
- Issue date May 15, 1990
- Sumikin Chemical Co., Ltd.
- Teruaki Yamada
- C07 - ORGANIC CHEMISTRY