Granted Patent
Utility
US 4,427,573 · App. 06/302,846
Polymerization catalyst, process for preparing, and use for ethylene polymerization
Inventors:
David L. Miles, Frederick J. Karol, George L. Goeke
Patented Case
View Patent ↗
Granted: Jan 24, 1984
Filed: Sep 16, 1981
Inventors
David L. Miles
Frederick J. Karol
George L. Goeke
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.