Granted Patent
Utility
US 5,488,135 · App. 07/962,370
Bis(phenyl)ethane derivatives
Inventors:
Peter Nussbaumer, Anton Stutz
Patented Case
View Patent ↗
Granted: Jan 30, 1996
Filed: Oct 16, 1992
Inventors
Peter Nussbaumer
Anton 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.