Granted Patent
Utility
US 4,482,687 · App. 06/506,772
Preparation of low-density ethylene copolymers in fluid bed reactor
Inventors:
Allen Noshay, Frederick J. Karol, Robert J. Jorgensen
Patented Case
View Patent ↗
Granted: Nov 13, 1984
Filed: Jun 24, 1983
Inventors
Allen Noshay
Frederick J. Karol
Robert J. Jorgensen
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.