Granted Patent
Utility
US 5,438,030 · App. 08/138,256
Dye-donor element comprising tricyanovinylaniline dyes
Inventors:
Luc Vanmaele, Wilhelmus Janssens
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: Oct 20, 1993
Inventors
Luc Vanmaele
Wilhelmus Janssens
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.