Granted Patent
Utility
US 4,407,992 · App. 06/411,561
Flame retardant compositions based on alkylene-alkyl acrylate copolymers
Inventor:
Michael J. Keogh
Patented Case
View Patent ↗
Granted: Oct 4, 1983
Filed: Aug 30, 1982
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.