Granted Patent
Utility
US 5,703,149 · App. 08/668,889
Process for the preparation of stabilized olefin polymers
Inventors:
Bruno Rotzinger, Thomas R. Schmutz, Martin Brunner, Werner Stauffer
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Jun 24, 1996
Inventors
Bruno Rotzinger
Thomas R. Schmutz
Martin Brunner
Werner Stauffer
Assignee (at issue)
Ciba Specialty Chemicals 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.