Masahiko Watase

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for the polymerization of vinyl chloride monomer in an aqeou...
- Patent number RE33284
- Issue date Jul 31, 1990
- Shin-Etsu Chemical Co., Ltd.
- Kenichi Itoh
- 526 - Synthetic resins or natural rubbers