Shinichi Ito

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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Method of separating a heavy metal ion
- Patent number 4,992,180
- Issue date Feb 12, 1991
- Shin-Etsu Chemical Co., Ltd.
- Kazukiyo Onodera
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE