Granted Patent
Utility
US 5,130,406 · App. 07/496,557
Initiators for materials which can be polymerized cationically
Inventors:
Beat Muller, Dieter Baumann
Patented Case
View Patent ↗
Granted: Jul 14, 1992
Filed: Mar 19, 1990
Inventors
Beat Muller
Dieter Baumann
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.