Granted Patent
Utility
US 6,713,614 · App. 10/185,994
Dimeric azo pyridone colorants
Inventors:
Rina Carlini, Jeffrey H. Banning, James M. Duff, Bo Wu, James D. Mayo
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Jun 27, 2002
Inventors
Rina Carlini
Jeffrey H. Banning
James M. Duff
Bo Wu
James D. Mayo
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.