Toshiharu Matsuda

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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
Preparation process of biphenyl-4,4'-dicarboxylic acid
- Patent number 4,970,338
- Issue date Nov 13, 1990
- Kureha Kagaku Kogyo K.K.
- Toshiharu Matsuda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2,6-naphthalenedicarboxylic acid
- Patent number 4,873,366
- Issue date Oct 10, 1989
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Toshiharu Matsuda
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2,6-naphthalenedicarboxylic acid by oxidizing...
- Patent number 4,794,195
- Issue date Dec 27, 1988
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Shoichiro Hayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing naphthalenedicarboxylic acid together with tr...
- Patent number 4,754,060
- Issue date Jun 28, 1988
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Shoichiro Hayashi
- C07 - ORGANIC CHEMISTRY