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Yuichiro Shiro
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Kobe, JP
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last 30 patents
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Patent Grant
Process for preparation of polyphenylene-sulfide resins in the abse...
Patent number
5,071,949
Issue date
Dec 10, 1991
Tohpren Co., Ltd.
Yoshiaki Nakamura
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...