Granted Patent
Utility
US 4,559,371 · App. 06/579,622
Photocurable colored compositions employing alpha-amino phenone initiator
Inventors:
Rinaldo Husler, Rudolf Kirchmayr, Werner Rutsch
Patented Case
View Patent ↗
Granted: Dec 17, 1985
Filed: Feb 13, 1984
Inventors
Rinaldo Husler
Rudolf Kirchmayr
Werner Rutsch
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.