Granted Patent
Utility
US 5,631,086 · App. 08/478,716
Thermoplastic compositions comprising filled, B-staged pitch
Inventors:
Leonard S. Singer, David T. Orient
Patented Case
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Granted: May 20, 1997
Filed: Jun 7, 1995
Inventors
Leonard S. Singer
David T. Orient
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.