Granted Patent
Utility
US 6,258,892 · App. 09/300,622
Toughened blends of alpha polyamides and functionalized block copolymers
Inventor:
Michael J. Modic
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Apr 27, 1999
Inventor
Michael J. Modic
Assignee (at issue)
SHELL OIL 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.