Granted Patent
Utility
US 4,708,979 · App. 06/856,083
Process for the stabilization of spherically polymerized polyolefins
Inventors:
Enea Pedrazzetti, Andre Schmitter, Walter Meyer
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Apr 25, 1986
Inventors
Enea Pedrazzetti
Andre Schmitter
Walter Meyer
Assignee (at issue)
Ciba-Geigy
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.