Granted Patent
Utility
US 4,499,151 · App. 06/529,469
Color plus clear coating method utilizing addition interpolymers containing alkoxy silane and/or acyloxy silane groups
Inventors:
Rostyslaw Dowbenko, Raymond Stewart, Marvis E. Hartman, Barbara Gorman, Stephen J. Thomas
Patented Case
View Patent ↗
Granted: Feb 12, 1985
Filed: Sep 6, 1983
Inventors
Rostyslaw Dowbenko
Raymond Stewart
Marvis E. Hartman
Barbara Gorman
Stephen J. Thomas
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.