Granted Patent
Utility
US 5,157,008 · App. 07/739,225
Hydrocarbon solutions of alkylaluminoxane compounds
Inventors:
Samuel A. Sangokoya, Milham S. Howie, Aaron L. Dunaway
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Aug 1, 1991
Inventors
Samuel A. Sangokoya
Milham S. Howie
Aaron L. Dunaway
Assignee (at issue)
Ethyl 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.