Granted Patent
Utility
US 4,281,065 · App. 06/006,935
Phencyclidine conjugates to antigenic proteins and enzymes
Inventors:
Cheng-I Lin, Prithipal Singh
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Jan 25, 1979
Inventors
Cheng-I Lin
Prithipal Singh
Assignee (at issue)
Syva Company
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.