Granted Patent
Utility
US 4,678,737 · App. 06/931,986
Radiation-sensitive composition and recording material based on compounds which can be split by acid
Inventors:
Arnold Schneller, Walter Herwig, Kurt Erbes
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: Nov 25, 1986
Inventors
Arnold Schneller
Walter Herwig
Kurt Erbes
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.