Granted Patent
Utility
US 4,503,203 · App. 06/563,470
Preparation of granular stereoregular butene-1 polymers in a fluidized bed
Inventors:
Nancy M. Golembeski, Robert J. Jorgensen, Robert D. Cleland, Allen Noshay
Patented Case
View Patent ↗
Granted: Mar 5, 1985
Filed: Dec 20, 1983
Inventors
Nancy M. Golembeski
Robert J. Jorgensen
Robert D. Cleland
Allen Noshay
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.