Granted Patent
Utility
US 5,504,203 · App. 08/401,426
Process for preparing 17,20-epoxy steroids
Inventors:
Jean Buendia, Remi Chauvin, Michel Vivat
Patented Case
View Patent ↗
Granted: Apr 2, 1996
Filed: Mar 9, 1995
Inventors
Jean Buendia
Remi Chauvin
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.