Granted Patent
Utility
US 4,798,745 · App. 07/088,327
Non-yellowing coating composition based on a hydroxy component and an anhydride component and utilization in a process of coating
Inventors:
Jonathan T. Martz, James B. O'Dwyer, Stephen J. Thomas, James A. Claar
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Aug 24, 1987
Inventors
Jonathan T. Martz
James B. O'Dwyer
Stephen J. Thomas
James A. Claar
Assignee (at issue)
PPG Industries, Inc.
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.