Granted Patent
Utility
US 5,854,299 · App. 08/615,255
Process for the polymerization of cyclic olefins and polymerizable composition
Inventors:
Andreas Muhlebach, Paul Bernhard, Andreas Hafner, Thomas Karlen, Martin Andreas Ludi
Patented Case
View Patent ↗
Granted: Dec 29, 1998
Filed: Mar 8, 1996
Inventors
Andreas Muhlebach
Paul Bernhard
Andreas Hafner
Thomas Karlen
Martin Andreas Ludi
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.