Granted Patent
Utility
US 6,380,423 · App. 09/864,654
Colorless compounds
Inventors:
Jeffrey H. Banning, Donald R. Titterington, Wolfgang G. Wedler
Patented Case
View Patent ↗
Granted: Apr 30, 2002
Filed: May 23, 2001
Inventors
Jeffrey H. Banning
Donald R. Titterington
Wolfgang G. Wedler
Assignee (at issue)
Xerox Corporation
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.