Granted Patent
Utility
US 5,773,500 · App. 08/826,870
Flame retardant high temperature polyphthalamides having improved thermal stability
Inventor:
Mark G. Reichmann
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Mar 26, 1997
Inventor
Mark G. Reichmann
Assignee (at issue)
Amoco Corporation
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.