Granted Patent
Utility
US 6,765,112 · App. 10/396,942
Fluorinated onium salts
Inventor:
James Schultz
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Mar 25, 2003
Inventor
James Schultz
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.