Granted Patent
Utility
US 5,616,697 · App. 08/310,083
Thiazolylazoaniline dyes for use in thermal dye sublimination transfer
Inventor:
Luc Vanmaele
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Sep 22, 1994
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.