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Tokuji Nakatani
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Saitama, JP
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last 30 patents
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Patent Grant
Selenium oxy chloride-pyridine or bipyridine complexes
Patent number
4,824,955
Issue date
Apr 25, 1989
Nippon Kayaku Kabushiki Kaisha
Hisao Ekimoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel 3-(4'-aminobutylamino) propylaminobleomycin derivatives
Patent number
4,808,703
Issue date
Feb 28, 1989
Zaidan Hojin Biseibutsu Kagaku Kenku Kai
Hamao Umezawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminopropylaminobleomycin derivatives and process for preparation t...
Patent number
4,568,490
Issue date
Feb 4, 1986
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Hamao Umezawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aminopropylaminobleomycin derivatives and process for preparation t...
Patent number
4,537,880
Issue date
Aug 27, 1985
Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai
Hamao Umezawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(Amido)N-substituted bleomycins, salts thereof and process for prep...
Patent number
4,500,452
Issue date
Feb 19, 1985
Nippon Kayaku Kabushiki Kaisha
Hamao Umezawa
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
(Amido)N-substituted bleomycins, salts thereof and process for prep...
Patent number
4,472,304
Issue date
Sep 18, 1984
Nippon Kayaku Kabushiki Kaisha
Hamao Umezawa
C07 - ORGANIC CHEMISTRY