Granted Patent
Utility
US 4,749,773 · App. 07/078,433
Condensation polymers containing methine ultraviolet radiation-absorbing residues and shaped articles produced therefrom
Inventors:
Max A. Weaver, Wayne P. Pruett, Samuel D. Hilbert, Clarence A. Coates, Jr.
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Jul 27, 1987
Inventors
Max A. Weaver
Wayne P. Pruett
Samuel D. Hilbert
Clarence A. Coates, Jr.
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.