Shiro Yasukawa

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Yokkaichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Highly crosslinked polymer particles and process for producing the...
- Patent number 4,952,651
- Issue date Aug 28, 1990
- Japan Synthetic Rubber Co., Ltd.
- Kiyoshi Kasai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer particles comprising ethylenically unsaturated monomers as...
- Patent number 4,331,784
- Issue date May 25, 1982
- Japan Synthetic Rubber Co., Ltd.
- Yoshiyuki Ishibashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...