Granted Patent
Utility
US 4,514,530 · App. 06/510,695
Modified amine curing agents and epoxy resins cured therewith
Inventors:
Kathy B. Sellstrom, George P. Speranza
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Jul 5, 1983
Inventors
Kathy B. Sellstrom
George P. Speranza
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.