Hirokazu Serizawa

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Ashigarakami-gun, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing high-purity aqueous hydrogen peroxide
- Patent number 6,013,237
- Issue date Jan 11, 2000
- Mitsubishi Gas Chemical Company, Inc.
- Shoichiro Kajiwara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for purifying an aqueous solution of hydrogen peroxide
- Patent number 5,976,487
- Issue date Nov 2, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Shoichiro Kajiwara
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of purified aqueous hydrogen peroxide so...
- Patent number 5,534,238
- Issue date Jul 9, 1996
- Mitsubishi Gas Chemical Company, Inc.
- Shoichiro Kajiwara
- C01 - INORGANIC CHEMISTRY