Granted Patent
Utility
US 4,749,774 · App. 07/078,434
Condensation polymer containing the residue of a poly-methine compound and shaped articles produced therefrom
Inventors:
Max A. Weaver, Clarence A. Coates, Jr., Wayne P. Pruett, Samuel D. Hilbert
Patented Case
View Patent ↗
Granted: Jun 7, 1988
Filed: Jul 27, 1987
Inventors
Max A. Weaver
Clarence A. Coates, Jr.
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.