Granted Patent
Utility
US 5,326,862 · App. 07/961,926
Process for the preparation of sulphinylpristinamycin IIB
Inventor:
Xavier Radisson
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Jan 4, 1993
Inventor
Xavier Radisson
Assignee (at issue)
RHONE-POULENC RORER S.A.
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.