Granted Patent
Utility
US 4,748,245 · App. 06/841,964
Process for making phenylthiopyrimidines
Inventor:
Donald R. James
Patented Case
View Patent ↗
Granted: May 31, 1988
Filed: Mar 20, 1986
Inventor
Donald R. James
Assignee (at issue)
Stauffer Chemical 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.