Granted Patent
Utility
US 5,079,308 · App. 07/516,082
Blends of a poly(amide imide) and a poly(aryl ether ketone)
Inventors:
James E. Harris, John P. Gavula
Patented Case
View Patent ↗
Granted: Jan 7, 1992
Filed: Apr 27, 1990
Inventors
James E. Harris
John P. Gavula
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.