Terumasa Yoshida

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Kurashiki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing highly pure isophthalic acid
- Patent number 5,189,209
- Issue date Feb 23, 1993
- Mitsubishi Gas Chemical Company, Inc.
- Tazuo Ohta
- 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