Granted Patent
Utility
US 5,221,595 · App. 07/676,119
Photopolymerizable mixture and recording material prepared therefrom
Inventors:
Juergen Lingnau, Hans-Dieter Frommeld
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Mar 27, 1991
Inventors
Juergen Lingnau
Hans-Dieter Frommeld
Assignee (at issue)
Hoechst GmbH
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.