Granted Patent
Utility
US 5,041,583 · App. 07/544,878
Preparation of aluminoxanes
Inventor:
Samuel A. Sangokoya
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Jun 28, 1990
Inventor
Samuel A. Sangokoya
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.