Granted Patent
Utility
US 5,230,733 · App. 07/786,627
Polymeric reactive dyes and inks formulated by insolubilizing reactions initiated by loss of water
Inventor:
Norman E. Pawlowski, Jr.
Patented Case
View Patent ↗
Granted: Jul 27, 1993
Filed: Nov 1, 1991
Inventor
Norman E. Pawlowski, Jr.
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.