Granted Patent
Utility
US 5,395,942 · App. 06/704,216
Heterocyclic compounds
Inventor:
Paul A. Worthington
Patented Case
View Patent ↗
Granted: Mar 7, 1995
Filed: Feb 22, 1985
Inventor
Paul A. Worthington
Assignee (at issue)
Zeneca Limited
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.