Granted Patent
Utility
US 4,550,165 · App. 06/477,706
Process for producing 1,2,5,6-tetrahydro-4H-pyrrolo-[3,2,1-ij]-quinolin-4-one
Inventor:
Pierre Martin
Patented Case
View Patent ↗
Granted: Oct 29, 1985
Filed: Mar 22, 1983
Inventor
Pierre Martin
Assignee (at issue)
Ciba-Geigy
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.