Fumio Okoshi

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing aromatic carboxylic acid
- Patent number 5,959,140
- Issue date Sep 28, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Fumio Okoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing high purity isophthalic acid
- Patent number 5,132,450
- Issue date Jul 21, 1992
- Mitsubishi Gas Chemical Company, Inc.
- Kazuo Tanaka
- C07 - ORGANIC CHEMISTRY