Granted Patent
Utility
US 4,977,152 · App. 07/471,680
Novel tricyclic derivatives which are agonists of cholinergic receptors, and drugs in which they are present
Inventors:
Kathleen Biziere, Camille G. Wermuth, Paul Worms, Jean-Jacques Bourguignon
Patented Case
View Patent ↗
Granted: Dec 11, 1990
Filed: Jan 25, 1990
Inventors
Kathleen Biziere
Camille G. Wermuth
Paul Worms
Jean-Jacques Bourguignon
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.