Granted Patent
Utility
US 5,837,753 · App. 08/690,713
Stable oil-in-water ink emulsions based upon water-reducible solvent dyes for ink-jet printers and felt-tip and roller-ball pens
Inventor:
Peter A. Caputo
Patented Case
View Patent ↗
Granted: Nov 17, 1998
Filed: Jul 31, 1996
Inventor
Peter A. Caputo
Assignee (at issue)
Morton International, Inc.
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.