Shinichirou Yamamoto

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Ube, JP

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Patents Grantslast 30 patents

Information Patent Grant
High purity crystals of biphenyltetracarboxylic dianhydride and pro...
- Patent number 4,958,002
- Issue date Sep 18, 1990
- UBE Industries, Ltd.
- Katsuo Imatani
- C07 - ORGANIC CHEMISTRY