Granted Patent
Utility
US 4,218,360 · App. 05/966,393
Epoxy resins filled with dual-silane treated hydrated alumina
Inventors:
Allison S. Burhans, Sidney Berger
Patented Case
View Patent ↗
Granted: Aug 19, 1980
Filed: Dec 4, 1978
Inventors
Allison S. Burhans
Sidney Berger
Assignee (at issue)
Union Carbide 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.