Granted Patent
Utility
US 5,554,613 · App. 08/190,073
Heterocyclic derivatives
Inventor:
Keith Blakeney Mallion
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: Jun 9, 1994
Inventor
Keith Blakeney Mallion
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.