Granted Patent
Utility
US 4,952,690 · App. 07/396,783
6-substituted thia-aza compounds
Inventors:
Jacques Gosteli, Ivan Ernest, Marc Lang, Robert B. Woodward
Patented Case
View Patent ↗
Granted: Aug 28, 1990
Filed: Aug 21, 1989
Inventors
Jacques Gosteli
Ivan Ernest
Marc Lang
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.