Shinji Tsunoi

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for the production of highly water absorptive polymers
- Patent number 5,439,993
- Issue date Aug 8, 1995
- Mitsubishi Petrochemical Co., Ltd.
- Kiichi Ito
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing highly water absorptive polymer
- Patent number 4,957,984
- Issue date Sep 18, 1990
- Mitsubishi Petrochemical Company Limited
- Kiichi Itoh
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE