Granted Patent
Utility
US 5,994,549 · App. 08/994,357
Piperidine derivatives and process for their production
Inventor:
Thomas E. D'Ambra
Patented Case
View Patent ↗
Granted: Nov 30, 1999
Filed: Dec 19, 1997
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.