Granted Patent
Utility
US 4,609,711 · App. 06/685,355
Flame retardant molded composition which incorporates a poly(N-(bromophenyl)maleimide-Co-styrene-Co-N-phenylmaleimide) copolymer
Inventor:
Usama E. Younes
Patented Case
View Patent ↗
Granted: Sep 2, 1986
Filed: Dec 24, 1984
Inventor
Usama E. Younes
Assignee (at issue)
Atlantic Richfield Company
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.