Granted Patent
Utility
US 5,972,089 · App. 09/034,676
Pigmented inkjet inks containing phosphated ester derivatives
Inventor:
Thomas W. Martin
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Mar 4, 1998
Inventor
Thomas W. Martin
Assignee (at issue)
EASTMAN KODAK 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.