Granted Patent
Utility
US 4,418,002 · App. 06/413,907
Melamine group containing ultraviolet stabilizers and their use in organic compositions II
Inventors:
Joseph S. Zannucci, Wayne P. Pruett
Patented Case
View Patent ↗
Granted: Nov 29, 1983
Filed: Sep 1, 1982
Inventors
Joseph S. Zannucci
Wayne P. Pruett
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.