Granted Patent
Utility
US 5,500,317 · App. 08/260,846
Electrophotographic elements containing soluble cyclic sulfone electron transport agents
Inventors:
Michael R. Detty, John Sinicropi, J. Robin Cowdery-Corvan, Ralph H. Young
Patented Case
View Patent ↗
Granted: Mar 19, 1996
Filed: Jun 16, 1994
Inventors
Michael R. Detty
John Sinicropi
J. Robin Cowdery-Corvan
Ralph H. Young
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.