Granted Patent
Utility
US 5,401,608 · App. 07/917,364
Negative-working radiation-sensitive mixture and radiation-sensitive recording material produced therewith
Inventors:
Georg Pawlowski, Ralph R. Dammel, Horst Roeschert, Winfried Meier, Walter Spiess, Klaus-Juergen Przybilla
Patented Case
View Patent ↗
Granted: Mar 28, 1995
Filed: Jul 23, 1992
Inventors
Georg Pawlowski
Ralph R. Dammel
Horst Roeschert
Winfried Meier
Walter Spiess
Klaus-Juergen Przybilla
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.