Granted Patent
Utility
US 5,356,740 · App. 07/979,498
Radiation-sensitive compositions
Inventor:
Alfred Steinmann
Patented Case
View Patent ↗
Granted: Oct 18, 1994
Filed: Nov 20, 1992
Inventor
Alfred Steinmann
Assignee (at issue)
Ciba-Geigy
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.