Granted Patent
Utility
US 5,103,021 · App. 07/080,503
Acetaminophen analogs, antigens, and antibodies
Inventor:
Pyare Khanna
Patented Case
View Patent ↗
Granted: Apr 7, 1992
Filed: Jul 30, 1987
Inventor
Pyare Khanna
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.