Granted Patent
Utility
US 4,299,910 · App. 06/209,535
Water-based photoresists using stilbene compounds as crosslinking agents
Inventors:
Ling K. Hung, Allen Bloom
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Nov 24, 1980
Inventors
Ling K. Hung
Allen Bloom
Assignee (at issue)
RCA Corporation
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.