Granted Patent
Utility
US 5,969,074 · App. 08/064,575
Reaction of perfluoroolefins with Bis (Silyl) ethers to produce fluorinated compounds
Inventors:
William B. Farnham, Mario Joseph Nappa
Patented Case
View Patent ↗
Granted: Oct 19, 1999
Filed: May 21, 1993
Inventors
William B. Farnham
Mario Joseph Nappa
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.