Granted Patent
Utility
US 5,216,075 · App. 07/518,898
Impact resistant polyblends of polyamides, acid copolymers and anhydride functionalized elastomers
Inventor:
Elisabeth S. Papazoglou
Patented Case
View Patent ↗
Granted: Jun 1, 1993
Filed: May 4, 1990
Inventor
Elisabeth S. Papazoglou
Assignee (at issue)
Arco Chemical Technology, L.P.
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.