Granted Patent
Utility
US 6,048,925 · App. 09/240,049
Urethane isocyanate-derived resins for use in a phase change ink formulation
Inventors:
Donald R. Titterington, Clifford R. King, Wolfgang G. Wedler, Daniel R. Hahn, Jeffery H. Banning
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Jan 29, 1999
Inventors
Donald R. Titterington
Clifford R. King
Wolfgang G. Wedler
Daniel R. Hahn
Jeffery H. Banning
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.