Granted Patent
Utility
US 5,659,042 · App. 08/329,023
Method for preparing esters of halonicotinic acids
Inventors:
Samuel J. Gillett, Michael E. Garst, Alan T. Johnson
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Oct 25, 1994
Inventors
Samuel J. Gillett
Michael E. Garst
Alan T. Johnson
Assignee (at issue)
Allergan, 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.