Granted Patent
Utility
US 4,957,946 · App. 07/202,739
Cationically polymerizable mixtures containing metallocene complex salt of certain carboxylic or suffonic acids
Inventors:
Kurt Meier, Roger Salvin
Patented Case
View Patent ↗
Granted: Sep 18, 1990
Filed: Jun 3, 1988
Inventors
Kurt Meier
Roger Salvin
Assignee (at issue)
Ciga-Geigy 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.