Granted Patent
Utility
US 6,583,205 · App. 09/681,605
Flame retardant expandable poly(arylene ether)/polystyrene compositions and preparation thereof
Inventors:
Adrie Landa, Jan Keulen
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: May 7, 2001
Inventors
Adrie Landa
Jan Keulen
Assignee (at issue)
General Electric 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.