Masatsune Okuma

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Calcium carbonate scale inhibitor having organophosphonate, water s...
- Patent number 5,259,985
- Issue date Nov 9, 1993
- Katayama Chemical, Incorporated
- Keisho Nakanishi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Scale inhibitor
- Patent number 4,814,406
- Issue date Mar 21, 1989
- Katayama Chemical Works Ltd.
- Sakae Katayama
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE