Granted Patent
Utility
US 4,066,653 · App. 05/691,637
1-Imino-3-(4-imino-5-thiazolidinylidene)isoindolines
Inventors:
Nathan N. Crounse, Nicholas A. Ambrosiano
Patented Case
View Patent ↗
Granted: Jan 3, 1978
Filed: Jun 1, 1976
Inventors
Nathan N. Crounse
Nicholas A. Ambrosiano
Assignee (at issue)
Sterling Drug, 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.