Granted Patent
Utility
US 5,650,464 · App. 08/548,838
Process for the preparation of stabilized olefin polymers
Inventors:
Martin Brunner, Bruno Rotzinger, Thomas R. Schmutz, Werner Stauffer
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Oct 26, 1995
Inventors
Martin Brunner
Bruno Rotzinger
Thomas R. Schmutz
Werner Stauffer
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.