Granted Patent
Utility
US 4,908,449 · App. 07/329,387
Process for preparing N-methyl derivatives of lysergol and 10.alpha.-methoxylumilysergol
Inventor:
Christian Gervais
Patented Case
View Patent ↗
Granted: Mar 13, 1990
Filed: Mar 27, 1989
Inventor
Christian Gervais
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.