Hirokazu Ito

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Kobe, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carboxylated polymers, process for the production of the same, and...
- Patent number 6,139,767
- Issue date Oct 31, 2000
- Nippon Shokubai Co., Ltd.
- Hiroshi Yamamoto
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of recovering and dehydrating ethylene sulfide
- Patent number 5,833,813
- Issue date Nov 10, 1998
- Nippon Shokubai Co., Ltd.
- Hitoshi Yano
- C07 - ORGANIC CHEMISTRY