Granted Patent
Utility
US 5,252,586 · App. 07/589,863
Ether derivatives of alkyl piperidines and pyrrolidines as antipsychotic agents
Inventors:
Gary A. Cain, Thomas Eugene Christos, Sang William Tam
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Sep 28, 1990
Inventors
Gary A. Cain
Thomas Eugene Christos
Sang William Tam
Assignee (at issue)
The DuPont Merck Pharmaceutical 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.