Granted Patent
Utility
US 5,217,843 · App. 07/491,817
Positive radiation-sensitive mixture, and radiation-sensitive recording material produced therefrom for high-energy radiation
Inventors:
Ralph R. Dammel, Juergen Lingnau, Georg Pawlowski, Juergen Theis
Patented Case
View Patent ↗
Granted: Jun 8, 1993
Filed: Mar 12, 1990
Inventors
Ralph R. Dammel
Juergen Lingnau
Georg Pawlowski
Juergen Theis
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.