Granted Patent
Utility
US 5,145,885 · App. 07/612,752
Photopolymerizable compositions containing aminoaryl ketone photoinitiators
Inventors:
Godwin Berner, Kurt Meier, Kurt Dietliker, Rinaldo Husler
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Nov 13, 1990
Inventors
Godwin Berner
Kurt Meier
Kurt Dietliker
Rinaldo Husler
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.