Granted Patent
Utility
US 4,351,708 · App. 06/236,463
Photochemically or thermally polymerizable mixtures
Inventors:
Godwin Berner, Rudolf Kirchmayr
Patented Case
View Patent ↗
Granted: Sep 28, 1982
Filed: Feb 20, 1981
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.