Granted Patent
Utility
US 4,923,876 · App. 07/204,391
Vinca alkaloid pharmaceutical compositions
Inventors:
Daniel Francis, Robert V. Kasubick
Patented Case
View Patent ↗
Granted: May 8, 1990
Filed: Jun 9, 1988
Inventors
Daniel Francis
Robert V. Kasubick
Assignee (at issue)
Cetus Corporation
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.