Granted Patent
Utility
US 4,835,241 · App. 07/092,856
Epoxy coatings using acrylate esters, polyetherpolyamines and piperazine(s)
Inventor:
Harold G. Waddill
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Sep 3, 1987
Inventor
Harold G. Waddill
Assignee (at issue)
Texaco 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.