Takamasa Fukushima

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Patents Grantslast 30 patents

Information Patent Grant
Process for bleaching chemical pulp simultaneously with chlorine di...
- Patent number 6,432,266
- Issue date Aug 13, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Takamasa Fukushima
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for bleaching chemical pulp with chlorine dioxide, peroxide...
- Patent number 6,048,437
- Issue date Apr 11, 2000
- Mitsubishi Gas Chemical Company, Inc.
- Takamasa Fukushima
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE