Granted Patent
Utility
US 4,587,344 · App. 06/676,370
Isothiourea synthesis process
Inventor:
Charles W. Ryan
Patented Case
View Patent ↗
Granted: May 6, 1986
Filed: Nov 29, 1984
Inventor
Charles W. Ryan
Assignee (at issue)
Eli Lilly and Company
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.