Halogen-substituted pyrazolone couplers for color photography
United States Patent 2600788

Inventors:
Anthony, Loria
Vittum, Paul W.
Publication Date:
06/17/1952
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Assignee:
EASTMAN KODAK CO
Primary Class:
430/386
Other Classes:
430/554, 548/368.400
International Classes:
C07D231/52; G03C7/384; C07D231/00; G03C7/38
Foreign References:
FR836144A