Granted Patent
Utility
US 4,591,592 · App. 06/665,675
Acid stabilized compositions of thieno-pyridine derived compounds
Inventor:
Zaka-ud-Din T. Chowhan
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: Oct 29, 1984
Inventor
Zaka-ud-Din T. Chowhan
Assignee (at issue)
Syntex (U.S.A.) LLC
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.