Granted Patent
Utility
US 5,171,796 · App. 07/231,532
Miscible blends of a poly(aryl ether ketone) and an imide containing polymer
Inventors:
James E. Harris, Lloyd M. Robeson, Michael Duane Cliffton, Bernard H. Eckstein, Markus Matzner
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Aug 12, 1988
Inventors
James E. Harris
Lloyd M. Robeson
Michael Duane Cliffton
Bernard H. Eckstein
Markus Matzner
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.