Granted Patent
Utility
US 5,112,817 · App. 07/417,780
Quinoline derivatives
Inventors:
Nobuyuki Fukazawa, Makoto Odate, Tsuneji Suzuki, Kengo Otsuka, Takashi Tsuruo, Wakao Sato
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: Oct 6, 1992
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.