Granted Patent
Utility
US 4,394,471 · App. 06/232,480
Compositions of alkylene-alkyl acrylate copolymers having improved flame retardant properties
Inventor:
Michael J. Keogh
Patented Case
View Patent ↗
Granted: Jul 19, 1983
Filed: Feb 11, 1981
Inventor
Michael J. Keogh
Assignee (at issue)
Union Carbide Corporation
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.