Granted Patent
Utility
US 5,470,355 · App. 08/191,346
Organic compounds
Inventor:
Hans-Peter Baumann
Patented Case
View Patent ↗
Granted: Nov 28, 1995
Filed: Feb 3, 1994
Inventor
Hans-Peter Baumann
Assignee (at issue)
Sandoz AG
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.