Granted Patent
Utility
US 5,274,072 · App. 07/878,273
Polyester composition having copolymerized therein a light absorbing compound
Inventors:
Max A. Weaver, James J. Krutak, Clarence A. Coates, Jr., William W. Parham, Wayne P. Pruett, Samuel D. Hilbert
Patented Case
View Patent ↗
Granted: Dec 28, 1993
Filed: May 4, 1992
Inventors
Max A. Weaver
James J. Krutak
Clarence A. Coates, Jr.
William W. Parham
Wayne P. Pruett
Samuel D. Hilbert
Assignee (at issue)
EASTMAN KODAK 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.