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Hiroshi Fujii
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Kurashiki, JP
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last 30 patents
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Patent Grant
Process for producing vitamin A acid
Patent number
5,312,978
Issue date
May 17, 1994
Kuraray Company Ltd.
Toshiki Mori
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sulfone aldehydes useful for producing .beta.-carotene
Patent number
5,237,102
Issue date
Aug 17, 1993
Kuraray Company Ltd.
Toshiki Mori
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing .beta.-carotene, and intermediate compounds u...
Patent number
5,185,468
Issue date
Feb 9, 1993
Kuraray Company Ltd.
Toshiki Mori
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing sulfone compounds
Patent number
4,886,916
Issue date
Dec 12, 1989
Kuraray Company, Ltd.
Takashi Onishi
C07 - ORGANIC CHEMISTRY