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Katsuyuki Shiota
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Toyonaka, JP
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last 30 patents
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Patent Grant
Method for producing 2-cyclopentenones
Patent number
4,540,825
Issue date
Sep 10, 1985
Sumitomo Chemical Company, Limited
Katsuyuki Shiota
C07 - ORGANIC CHEMISTRY
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Patent Grant
Method for the recovery of acetone
Patent number
4,336,109
Issue date
Jun 22, 1982
Sumitomo Chemical Company, Limited
Hirokazu Hosaka
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for separation and purification of dihydric phenols
Patent number
4,308,110
Issue date
Dec 29, 1981
Sumitomo Chemical Company Limited
Hirokazu Hosaka
C07 - ORGANIC CHEMISTRY