Title:
Two-equivalent couplers for color photography
United States Patent 3311476

Inventors:
Anthony, Loria
Publication Date:
03/28/1967
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Assignee:
EASTMAN KODAK CO
Primary Class:
430/553
Other Classes:
430/555, 548/312.400, 560/100, 548/334.500, 560/142, 560/139, 560/61, 548/305.400, 548/367.100, 548/364.400, 560/102, 560/12, 548/365.700, 560/144, 560/45, 560/108, 560/120, 548/309.400, 548/306.100, 548/304.400, 560/19, 560/109
International Classes:
C07D231/28; C07D231/44; C07D231/46; C07D231/48; C07D231/52; G03C7/305; G03C7/34; G03C8/08; G03C8/10; C07D231/00; G03C8/02
US Patent References:
2983608Yellow-colored magenta-forming couplers
3006759Two-equivalent magenta-forming couplers for color photography
6006172Method and software for optimizing an interface between components
Foreign References:
CA602607A