Granted Patent
Utility
US 4,601,973 · App. 06/691,713
Photopolymerizable coating agent, a photopolymerizable material and its use
Inventor:
Sigrid Bauer
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Jan 14, 1985
Inventor
Sigrid Bauer
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.