Granted Patent
Utility
US 5,847,203 · App. 08/341,594
Bromine catalysed oxidation processes
Inventors:
Alan Pennington, Robert F. Smith
Patented Case
View Patent ↗
Granted: Dec 8, 1998
Filed: Jan 23, 1995
Inventors
Alan Pennington
Robert F. Smith
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.