Granted Patent
Utility
US 5,344,872 · App. 08/019,514
Ink compositions containing certain methacrylates
Inventors:
Theo J. Debord, Nelson Zamora Escano, Louis A. Wilkin
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Feb 19, 1993
Inventors
Theo J. Debord
Nelson Zamora Escano
Louis A. Wilkin
Assignee (at issue)
Eastman Chemical 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.