Granted Patent
Utility
US 5,039,809 · App. 07/594,496
5-(1-aminocyclohexyl)-2(1H)-pyridinone and related compounds
Inventors:
Richard C. Effland, David M. Fink
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Oct 9, 1990
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.