Granted Patent
Utility
US 5,352,808 · App. 07/972,228
Process for steroid preparation
Inventors:
Jean Buendia, Michel Vivat
Patented Case
View Patent ↗
Granted: Oct 4, 1994
Filed: Nov 5, 1992
Inventors
Jean Buendia
Michel Vivat
Assignee (at issue)
Roussel Uclaf
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.