Keiji Kawata

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Sakai, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for production of aromatic hydroxycarboxylic acid
- Patent number 4,966,992
- Issue date Oct 30, 1990
- Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing hydroxybenzonitriles
- Patent number 4,436,670
- Issue date Mar 13, 1984
- Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyuso
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY