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Toyonaka, JP
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last 30 patents
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Patent Grant
Aminonaphthacene derivatives
Patent number
4,673,668
Issue date
Jun 16, 1987
Sumitomo Pharmaceuticals Company
Kikuo Ishizumi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminonaphthacene derivatives and their production
Patent number
4,610,986
Issue date
Sep 9, 1986
Sumitomo Chemical Company, Limited
Kikuo Ishizumi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel aminonaphthacene derivatives and process for preparation thereof
Patent number
4,545,936
Issue date
Oct 8, 1985
Sumitomo Chemical Company, Limited
Kikuo Ishizumi
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
9-Formyl-9,10-dihydro-9,10-methanoanthracene
Patent number
4,358,620
Issue date
Nov 9, 1982
Sumitomo Chemical Company, Limited
Makoto Sunagawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic tricyclic compounds
Patent number
4,224,344
Issue date
Sep 23, 1980
Sumitomo Chemical Company, Limited
Makoto Sunagawa
C07 - ORGANIC CHEMISTRY