Granted Patent
Utility
US 5,326,840 · App. 07/895,666
Radiation-sensitive mixture containing novel polymers embodying units composed of amides of .alpha., .beta.-unsaturated carboxylic acids as binders
Inventors:
Klaus-Juergen Przybilla, Georg Pawlowski, Horst Roeschert
Patented Case
View Patent ↗
Granted: Jul 5, 1994
Filed: Jun 9, 1992
Inventors
Klaus-Juergen Przybilla
Georg Pawlowski
Horst Roeschert
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.