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Masao Koshiba
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Takarazuka, JA
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last 30 patents
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Patent Grant
Process for preparing quinazolinone derivatives and their 2-(N-mono...
Patent number
4,096,144
Issue date
Jun 20, 1978
Sumitomo Chemical Company, Limited
Michihiro Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of quinazolinone compounds
Patent number
4,067,868
Issue date
Jan 10, 1978
Sumitomo Chemical Company, Limited
Kikuo Ishizumi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 1-polyhaloalkyl-3,4-dihydro-2-(1H)-quinazolin...
Patent number
4,048,168
Issue date
Sep 13, 1977
Sumitomo Chemical Company, Limited
Michihiro Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Triazoloquinazolines
Patent number
4,002,755
Issue date
Jan 11, 1977
Sumitomo Chemical Company, Limited
Michihiro Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Fused quinazolinones and a process for production thereof
Patent number
3,980,645
Issue date
Sep 14, 1976
Sumitomo Chemical Company, Limited
Shigeho Inaba
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Antiviral 2(1H)-quinazolinone derivatives
Patent number
3,970,654
Issue date
Jul 20, 1976
Sumitomo Chemical Company, Limited
Michihiro Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing quinazolines
Patent number
3,953,446
Issue date
Apr 27, 1976
Sumitomo Chemical Company, Limited
Kikuo Ishizumi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Quinazoline derivatives in pharmaceutical compositions for treating...
Patent number
3,950,526
Issue date
Apr 13, 1976
Sumitomo Chemical Company, Limited
Shigeho Inaba
C07 - ORGANIC CHEMISTRY