Granted Patent
Utility
US 4,968,586 · App. 07/453,234
Photoresist compositions containing cobalt (III) compound and redox transfer ligand
Inventor:
Thap DoMinh
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Dec 14, 1989
Inventor
Thap DoMinh
Assignee (at issue)
EASTMAN KODAK COMPANY
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.