Granted Patent
Utility
US 5,645,973 · App. 08/592,899
Process for adjusting the sensitivity to radiation of photopolymerizable compositions
Inventors:
Manfred Hofmann, Bernd Klingert, Max Hunziker, Rolf Wiesendanger, Adrian Schulthess, Paul Bernhard
Patented Case
View Patent ↗
Granted: Jul 8, 1997
Filed: Jan 29, 1996
Inventors
Manfred Hofmann
Bernd Klingert
Max Hunziker
Rolf Wiesendanger
Adrian Schulthess
Paul Bernhard
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.