Granted Patent
Utility
US 4,364,865 · App. 06/158,430
Bicyclic unsaturated thia-aza compounds and 4-acylthio azetidinone intermediates
Inventors:
Ivan Ernest, Jacques Gosteli, Robert B. Woodward
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Jun 11, 1980
Inventors
Ivan Ernest
Jacques Gosteli
Robert B. Woodward
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.