Granted Patent
Utility
US 4,626,573 · App. 06/849,640
Flame-retardant molded composition incorporating a poly(N-(bromophenyl)maleimide-co-styrene-co-maleic anhydride) copolymer
Inventor:
Usama E. Younes
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Apr 9, 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.