Granted Patent
Utility
US 5,043,352 · App. 07/440,328
Chroman derivatives for the treatment of depressive states
Inventors:
Philippe Soubrie, Martine Poncelet
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Nov 22, 1989
Inventors
Philippe Soubrie
Martine Poncelet
Assignee (at issue)
Sanofi
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.