Granted Patent
Utility
US 5,425,805 · App. 08/204,479
Waterfast dyes for ink jet recording fluids
Inventors:
Raouf Botros, Sunita P. Chavan
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Mar 2, 1994
Inventors
Raouf Botros
Sunita P. Chavan
Assignee (at issue)
Scitex Digital Printing, 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.