Granted Patent
Utility
US 4,625,004 · App. 06/850,809
Flame-retardant molded composition which incorporates a poly (styrene-CO-N-phenylmaleimide-CO-dibromostyrene copolymer
Inventor:
Usama E. Younes
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Apr 11, 1986
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.