Granted Patent
Utility
US 6,399,684 · App. 09/377,560
Polymer-polyamide blends having a phosphorous containing additive
Inventor:
Charles John Talkowski
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: Aug 19, 1999
Inventor
Charles John Talkowski
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.