Granted Patent
Utility
US 5,288,917 · App. 07/732,986
Liquid photoinitiator mixtures
Inventors:
Godwin Berner, Franciszek Sitek, Rinaldo Husler
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Jul 19, 1991
Inventors
Godwin Berner
Franciszek Sitek
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.