Granted Patent
Utility
US 4,798,746 · App. 07/088,328
Basecoat/clearcoat method of coating utilizing an anhydride additive in the thermoplastic polymer-containing basecoat for improved repairability
Inventors:
James A. Claar, Stephen J. Thomas, Betty J. Kindle
Patented Case
View Patent ↗
Granted: Jan 17, 1989
Filed: Aug 24, 1987
Inventors
James A. Claar
Stephen J. Thomas
Betty J. Kindle
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.