Granted Patent
Utility
US 4,307,112 · App. 06/124,715
9-Deoxy-9A-methylene isosteres of PGI.sub.2 and process for their preparation
Inventors:
Carmelo Gandolfi, Carlo Passarotti, William Fava, Angelo Fumagalli, Franco Faustini, Roberto Ceserani
Patented Case
View Patent ↗
Granted: Dec 22, 1981
Filed: Feb 26, 1980
Inventors
Carmelo Gandolfi
Carlo Passarotti
William Fava
Angelo Fumagalli
Franco Faustini
Roberto Ceserani
Assignee (at issue)
Farmitalia Carlo Erba S.p.A.
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.