Granted Patent
Utility
US 5,336,714 · App. 08/175,447
Water-dissipatable polyesters and amides containing near infrared fluorescent compounds copolymerized therein
Inventors:
James J. Krutak, Michael R. Cushman, William W. Parham, Clarence A. Coates, Jr., Max A. Weaver, Gabor Patonay
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Dec 30, 1993
Inventors
James J. Krutak
Michael R. Cushman
William W. Parham
Clarence A. Coates, Jr.
Max A. Weaver
Gabor Patonay
Assignee (at issue)
Eastman Chemical Company
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.