Granted Patent
Utility
US 4,349,648 · App. 06/288,806
Catalyst composition for copolymerizing ethylene
Inventors:
Robert J. Jorgensen, George L. Goeke, Frederick J. Karol
Patented Case
View Patent ↗
Granted: Sep 14, 1982
Filed: Jul 31, 1981
Inventors
Robert J. Jorgensen
George L. Goeke
Frederick J. Karol
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.