Osamu Machida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for bleaching cellulosic fiber material with hydrogen peroxide
- Patent number 4,963,157
- Issue date Oct 16, 1990
- Nippon Peroxide Co., Ltd.
- Osamu Machida
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...