Granted Patent
Utility
US 5,424,427 · App. 08/201,456
Triazine including substituted color-providing moiety
Inventor:
Michael J. Arnost
Patented Case
View Patent ↗
Granted: Jun 13, 1995
Filed: Feb 24, 1994
Inventor
Michael J. Arnost
Assignee (at issue)
Polaroid Corporation
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.