Granted Patent
Utility
US 5,049,669 · App. 07/364,155
Analgesic phenothiazine derivatives
Inventors:
Claude Garret, Claude Guyon, Bernard Plau, Gerard Taurand
Patented Case
View Patent ↗
Granted: Sep 17, 1991
Filed: Jun 12, 1989
Inventors
Claude Garret
Claude Guyon
Bernard Plau
Gerard Taurand
Assignee (at issue)
Rhone-Poulenc Sante
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.