Syungo Nara

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Kawanishi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Granules of 2-hydroxynaphthalene-3-carboxylic acid and method for p...
- Patent number 6,562,998
- Issue date May 13, 2003
- Kabushiki Kaisha Ueno Seiyako Oyo Kenkyujo
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-hydroxynaphthalene-3,6-dicarboxylic acid
- Patent number 6,133,475
- Issue date Oct 17, 2000
- Kabushiki Kaisha Ueno Seiyaku Oyo Kenkujo
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY