Granted Patent
Utility
US 6,706,933 · App. 10/334,183
Synthesis of vicinal difluoro aromatics and intermediates thereof
Inventors:
Gauri Sankar Lal, Kathryn Sue Hayes
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Dec 30, 2002
Inventors
Gauri Sankar Lal
Kathryn Sue Hayes
Assignee (at issue)
Air Products and Chemicals, 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.