Granted Patent
Utility
US 4,249,022 · App. 06/060,089
Process for the manufacture of 1,4-disubstituted bicyclic or tricyclic compounds and new 1,4-disubstituted bicyclic compounds
Inventor:
Leonardo Guglielmetti
Patented Case
View Patent ↗
Granted: Feb 3, 1981
Filed: Jul 23, 1979
Inventor
Leonardo Guglielmetti
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.