Granted Patent
Utility
US 4,560,709 · App. 06/526,516
Photopolymerizable mixtures and processes for the photopolymerization of cationically polymerizable compounds
Inventors:
Godwin Berner, Rudolf Kirchmayr
Patented Case
View Patent ↗
Granted: Dec 24, 1985
Filed: Aug 26, 1983
Inventors
Godwin Berner
Rudolf Kirchmayr
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.