Granted Patent
Utility
US 4,978,663 · App. 07/394,448
5-(1-aminocyclohexyl)-2(1H)-pyridinone compounds which have pharmaceutical utility
Inventors:
Richard C. Effland, David M. Fink
Patented Case
View Patent ↗
Granted: Dec 18, 1990
Filed: Aug 16, 1989
Inventors
Richard C. Effland
David M. Fink
Assignee (at issue)
Hoechst Roussel Pharmaceuticals
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.