Atsushi Sasakawa

Follow

Person

Iwaki, JP

People

Patents Grantslast 30 patents

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
Information Patent Grant
Process for producing 2,6-naphthalenedicarboxylic acid
- Patent number 4,681,978
- Issue date Jul 21, 1987
- Kureha Kagaku Kogyo Kabushiki Kaisha
- Takashi Yamauchi
- C07 - ORGANIC CHEMISTRY