Granted Patent
Utility
US 4,246,411 · App. 05/777,560
5,5-Difluorouracil
Inventors:
Paul D. Schuman, Geraldine Westmoreland, Roy Anderson
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Mar 14, 1977
Inventors
Paul D. Schuman
Geraldine Westmoreland
Roy Anderson
Assignee (at issue)
PCR, Inc.
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.