Granted Patent
Utility
US 4,408,048 · App. 06/264,714
Process for making 5-fluorouracil
Inventors:
Ralph J. DePasquale, Paul D. Schuman
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: May 18, 1981
Inventors
Ralph J. DePasquale
Paul D. Schuman
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.