Kanzi Katsuragawa

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Shin-nanyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing ammonium p-styrenesulfonate
- Patent number 4,061,669
- Issue date Dec 6, 1977
- Toyo Soda Manufacturing Co., Ltd.
- Kanzi Katsuragawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing ammonium aromatic sulfonate
- Patent number 4,029,640
- Issue date Jun 14, 1977
- Toyo Soda Manufacturing Co., Ltd.
- Tatsuo Hattori
- C07 - ORGANIC CHEMISTRY