Granted Patent
Utility
US 5,284,737 · App. 08/108,266
Process of developing an image utilizing positive-working radiation sensitive mixtures containing alkali-soluble binder, o-quinonediazide photoactive compound and blankophor FBW actinic dye
Inventors:
Tripunithura V. Jayaraman, David Brzozowy
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Aug 19, 1993
Inventors
Tripunithura V. Jayaraman
David Brzozowy
Assignee (at issue)
OCG Microelectronic Materials, Inc.
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.