Granted Patent
Utility
US 4,587,048 · App. 06/601,747
Process for the manufacture of 4-thioazetidinone compounds
Inventor:
Gottfried Sedelmeier
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Apr 20, 1984
Inventor
Gottfried Sedelmeier
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.