Nobuyuki Okubo

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Urawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing aromatic polycarboxylic acids
- Patent number 5,087,742
- Issue date Feb 11, 1992
- Kureha Kagaku Kogyo K.K.
- Kazuo Yoshida
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of halobenzophenone derivatives
- Patent number 4,960,945
- Issue date Oct 2, 1990
- Kureha Kagaku Kogyo K.K.
- Takashi Terauchi
- C07 - ORGANIC CHEMISTRY