Granted Patent
Utility
US 5,208,366 · App. 07/738,992
High yield method for preparation of dialkyl esters of polyhaloaromatic acids
Inventors:
Joseph M. Bohen, Anthony J. Mancuso
Patented Case
View Patent ↗
Granted: May 4, 1993
Filed: Aug 19, 1991
Inventors
Joseph M. Bohen
Anthony J. Mancuso
Assignee (at issue)
Elf Atochem North America, 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.