Granted Patent
Utility
US 6,441,060 · App. 09/661,047
Foundry binder of epoxy resin, acrylated polyisocyanate and acrylic
Inventors:
Don Greg Hendershot, Edward Gerard Toplikar, Laurence G. Dammann, Vincent J. Pascarella
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Sep 14, 2000
Inventors
Don Greg Hendershot
Edward Gerard Toplikar
Laurence G. Dammann
Vincent J. Pascarella
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.