Granted Patent
Utility
US 4,680,291 · App. 06/934,772
Propenylamines, processes for their production and pharmaceutical compositions containing them
Inventors:
Helmut Hamberger, Adrian Stephen, Anton Stutz, Peter Stutz
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Aug 18, 1978
Inventors
Helmut Hamberger
Adrian Stephen
Anton Stutz
Peter Stutz
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.