Granted Patent
Utility
US 5,457,008 · App. 08/359,264
Photographic element containing a novel cyan dye forming coupler and process for its use
Inventors:
Philip T. S. Lau, Thomas H. Jozefiak, Thomas R. Welter
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Dec 19, 1994
Inventors
Philip T. S. Lau
Thomas H. Jozefiak
Thomas R. Welter
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.