Granted Patent
Utility
US 5,328,973 · App. 07/922,507
Radiation-sensitive mixture with a polymeric binder containing units of .alpha.,.beta.-unsaturated carboxamides
Inventors:
Horst Roeschert, Georg Pawlowski, Klaus-Juergen Przybilla
Patented Case
View Patent ↗
Granted: Jul 12, 1994
Filed: Jul 31, 1992
Inventors
Horst Roeschert
Georg Pawlowski
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.