Granted Patent
Utility
US 5,272,266 · App. 07/961,923
Vinylsulphonylpristinamycin and its preparation
Inventor:
Xavier Radisson
Patented Case
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Granted: Dec 21, 1993
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.