Granted Patent
Utility
US 5,998,444 · App. 08/979,995
Piperidinyl compounds as NK1 or NK2 antagonists
Inventor:
Keith Russell
Patented Case
View Patent ↗
Granted: Dec 7, 1999
Filed: Nov 26, 1997
Inventor
Keith Russell
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.