Granted Patent
Utility
US 4,396,528 · App. 06/271,861
Fluorescent composition, a process for synthesizing the fluorescent composition
Inventor:
Seth R. Abbott
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Jun 9, 1981
Inventor
Seth R. Abbott
Assignee (at issue)
Varian, Inc.
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.