Granted Patent
Utility
US 6,809,225 · App. 10/332,290
Method for producing 3,3-diarylpropylamines
Inventors:
Martin Donsbach, Peter Eilbracht, Christian Buss, Andreas Schmidt
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jul 14, 2003
Inventors
Martin Donsbach
Peter Eilbracht
Christian Buss
Andreas Schmidt
Assignee (at issue)
Schwarz Pharma Ltd.
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.