Granted Patent
Utility
US 6,432,601 · App. 09/838,636
Toners with sulfonated polyester-amine resins
Inventors:
Daniel A. Foucher, Walter Mychajlowskij, Raj D. Patel, Guerino G. Sacripante
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Apr 19, 2001
Inventors
Daniel A. Foucher
Walter Mychajlowskij
Raj D. Patel
Guerino G. Sacripante
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.