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Toyonaka, JP
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last 30 patents
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Patent Grant
Phenylserine derivatives and processes for preparing the same
Patent number
4,695,580
Issue date
Sep 22, 1987
Sumitomo Pharmaceuticals Company, Ltd.
Naohito Ohashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing 3-(3,4-dihydroxyphenyl) serine
Patent number
4,562,263
Issue date
Dec 31, 1985
Sumitomo Chemical Company, Limited
Naohito Ohashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing threo-3-(3,4-dihydroxyphenyl)serine
Patent number
4,480,109
Issue date
Oct 30, 1984
Sumitomo Chemical Company, Limited
Naohito Ohashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Racemization of an .alpha.-methyl-.beta.-acylthiopropionic acid
Patent number
4,411,836
Issue date
Oct 25, 1983
Sumitomo Chemical Company, Limited
Naohito Ohashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Optical resolution of acylthiopropionic acid
Patent number
4,325,886
Issue date
Apr 20, 1982
Sumitomo Chemical Company, Limited
Naohito Ohashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of optically active threo-3-(3,4-dihydro...
Patent number
4,319,040
Issue date
Mar 9, 1982
Sumitomo Chemical Company, Limited
Naohito Ohashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Resolution of mercaptopropionic acids
Patent number
4,297,282
Issue date
Oct 27, 1981
Sumitomo Chemical Company, Limited
Naohito Ohashi
C07 - ORGANIC CHEMISTRY