Granted Patent
Utility
US 4,965,261 · App. 07/324,499
Substituted benzoxazinorifamycin derivative and antibacterial agent containing the same
Inventors:
Fumihiko Kanoo, Takehiko Yamane, Hideo Kondo, Takuji Hashizume, Katsuji Yamashita, Kazunori Hosoe, Fumiyuki Kuze, Kiyoshi Watanabe
Patented Case
View Patent ↗
Granted: Oct 23, 1990
Filed: Mar 16, 1989
Inventors
Fumihiko Kanoo
Takehiko Yamane
Hideo Kondo
Takuji Hashizume
Katsuji Yamashita
Kazunori Hosoe
Fumiyuki Kuze
Kiyoshi Watanabe
Assignee (at issue)
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.