Granted Patent
Utility
US 6,350,802 · App. 09/270,871
Thermally stable flame retardant polyamides
Inventors:
Marvin M. Martens, Reiko Koshida, Wendy Tobin, Jocelyn M. Willis
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Mar 17, 1999
Inventors
Marvin M. Martens
Reiko Koshida
Wendy Tobin
Jocelyn M. Willis
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND 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.