Granted Patent
Utility
US 5,589,487 · App. 08/382,425
Piperidine derivatives and process for their production
Inventor:
Thomas E. D'Ambra
Patented Case
View Patent ↗
Granted: Dec 31, 1996
Filed: Feb 2, 1995
Inventor
Thomas E. D'Ambra
Assignee (at issue)
ALBANY MOLECULAR RESEARCH, INC.
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.