Shojiro Itoh

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Niihama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Vinyl chloride plastisol compositions
- Patent number 4,429,071
- Issue date Jan 31, 1984
- Sumitomo Chemical Company, Limited
- Shojiro Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparation of aromatic acyl chloride
- Patent number 4,167,525
- Issue date Sep 11, 1979
- Sumitomo Chemical Company, Limited
- Yushin Kataoka
- C07 - ORGANIC CHEMISTRY