Granted Patent
Utility
US 5,434,155 · App. 08/076,589
Quinoline derivative fumarates
Inventors:
Nobuyuki Fukazawa, Tuneji Suzuki, Kengo Otsuka, Osamu Yano, Daiji Iwata, Yukichi Kawai
Patented Case
View Patent ↗
Granted: Jul 18, 1995
Filed: Jun 15, 1993
Inventors
Nobuyuki Fukazawa
Tuneji Suzuki
Kengo Otsuka
Osamu Yano
Daiji Iwata
Yukichi Kawai
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.