Granted Patent
Utility
US 4,746,352 · App. 06/837,986
3-(5-carboxy-4-substituted-phenyl)-(thio)uracil-esters and salts
Inventors:
Jean Wenger, Paul Winternitz
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Mar 10, 1986
Inventors
Jean Wenger
Paul Winternitz
Assignee (at issue)
HOFFMANN-LA ROCHE 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.