Granted Patent
Utility
US 4,621,025 · App. 06/778,948
.beta.-keto amide modified epoxy resins
Inventor:
James D. B. Smith
Patented Case
View Patent ↗
Granted: Nov 4, 1986
Filed: Sep 23, 1985
Inventor
James D. B. Smith
Assignee (at issue)
Westinghouse Electric Company LLC
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.