Gengiro Kawamura

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for inhibiting the degradation of an aqueous solution of an...
- Patent number 4,481,316
- Issue date Nov 6, 1984
- Nitto Chemical Industry Co., Ltd.
- Shoichi Kanda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for stabilizing an acrylamide polymer in a petroleum recover...
- Patent number 4,393,163
- Issue date Jul 12, 1983
- Nitto Chemical Industry, Co., Ltd.
- Shoichi Kanda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...