Yasushi Sugawara

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Niigata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing aqueous quaternary ammonium hydroxide solution
- Patent number 5,393,386
- Issue date Feb 28, 1995
- Mitsubishi Gas Chemical Company, Inc.
- Tetsuo Aoyama
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR