Granted Patent
Utility
US 6,617,417 · App. 09/889,951
Unsaturated polyester resin compositions
Inventors:
Karri Airola, Outi Färm, Paul Mahbub, Eija Valtonen
Patented Case
View Patent ↗
Granted: Sep 9, 2003
Filed: Jan 31, 2002
Inventors
Karri Airola
Outi Färm
Paul Mahbub
Eija Valtonen
Assignee (at issue)
Ashland, Inc.
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.