Title:
Yellow-colored magenta-forming couplers
United States Patent 2983608
US Patent References:
Color forming development with an aromatic primary amino developer and alpha-[4-sulfophenylazo]-aceto-acet-2-4-dichloroanilide
- - 2584349
Azo coloring salts
- - 2681338
Azo dye couplers having two coupling nuclei
- - 2725291
Monoazo-dyestuffs
- - 2766231
Color forming development with an aromatic primary amino developer and alpha-[4-sulfophenylazo]-aceto-acet-2-4-dichloroanilide
- - 2584349
Azo coloring salts
- - 2681338
Azo dye couplers having two coupling nuclei
- - 2725291
Monoazo-dyestuffs
- - 2766231
Inventors:
Beavers, Leo E.
Publication Date:
05/09/1961
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Export Citation:
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
534/648, 430/562
International Classes:
C07D231/52; G03C7/333; C07D231/00