Granted Patent
Utility
US 4,859,229 · App. 07/076,415
3-Aryluracils having an ether (thio) carbomyloxy or sulphomyloxy substituent on the aromatic moiety
Inventors:
Jean Wenger, Paul Winternitz
Patented Case
View Patent ↗
Granted: Aug 22, 1989
Filed: Jul 21, 1987
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.