Granted Patent
Utility
US 5,798,417 · App. 08/732,540
(Fluorovinyl ether)-grafted high-surface-area polyolefins and preparation thereof
Inventor:
Edward G. Howard, Jr.
Patented Case
View Patent ↗
Granted: Aug 25, 1998
Filed: Oct 15, 1996
Inventor
Edward G. Howard, Jr.
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.