Granted Patent
Utility
US 5,753,721 · App. 08/646,302
Process for the photo-polymerisation of cyclic olefins using a thermostable molybdenum or tungsten catalyst
Inventors:
Andreas Hafner, Paul Adriaan Van Der Schaaf, Andreas Muhlebach
Patented Case
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Granted: May 19, 1998
Filed: May 16, 1996
Inventors
Andreas Hafner
Paul Adriaan Van Der Schaaf
Andreas Muhlebach
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.