Kuniyo Yanagawase

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for separating and purifying alkali metal salts of hydroxyn...
- Patent number 6,194,608
- Issue date Feb 27, 2001
- Kabushiki Kaisha Veno Seiyaku Oyo Kenkyujo
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separating and purifying hydroxynaphtalenecarboxylic acids
- Patent number 5,770,766
- Issue date Jun 23, 1998
- Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
- Ryuzo Ueno
- C07 - ORGANIC CHEMISTRY