Granted Patent
Utility
US 4,246,161 · App. 06/064,934
Carbonyl latent accelerators for curing epoxy resins
Inventors:
James D. B. Smith, Robert N. Kauffman
Patented Case
View Patent ↗
Granted: Jan 20, 1981
Filed: Aug 8, 1979
Inventors
James D. B. Smith
Robert N. Kauffman
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.