Genji Koga

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Ube, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of refining dihydroxyaryl compound
- Patent number 6,554,967
- Issue date Apr 29, 2003
- Ube Industries, Ltd.
- Shuji Tanaka
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing oxamide
- Patent number 6,348,626
- Issue date Feb 19, 2002
- Ube Industries, Ltd.
- Tomohiko Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing oxamide granules
- Patent number 5,393,319
- Issue date Feb 28, 1995
- Ube Industries, Ltd.
- Yukio Inaba
- C07 - ORGANIC CHEMISTRY
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