Granted Patent
Utility
US 5,204,348 · App. 07/780,472
Heterocyclic compounds and anticancer-drug potentiaters conaining them as effective components
Inventors:
Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Kengo Otsuka, Takashi Tsuruo, Wakao Sato
Patented Case
View Patent ↗
Granted: Apr 20, 1993
Filed: Dec 3, 1991
Inventors
Nobuyuki Fukazawa
Makoto Odate
Tsuneji Suzuki
Kengo Otsuka
Takashi Tsuruo
Wakao Sato
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.