Granted Patent
Utility
US 4,413,086 · App. 06/354,561
Coating compositions containing organosilane-polyol
Inventors:
Wen-Hsuan Chang, Kyu-Wang Lee, John B. Saunders
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Mar 4, 1982
Inventors
Wen-Hsuan Chang
Kyu-Wang Lee
John B. Saunders
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.