Granted Patent
Utility
US 5,489,568 · App. 08/449,668
Triazene dyes for use in thermal transfer printing
Inventor:
Luc Vanmaele
Patented Case
View Patent ↗
Granted: Feb 6, 1996
Filed: May 24, 1995
Inventor
Luc Vanmaele
Assignee (at issue)
Agfa-Gevaert NV
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.