Title:
Photographic emulsion containing pyrazolone magenta-forming couplers
United States Patent 3062653
US Patent References:
Color photographic image
- - 2354552
Colour couplers for use in colour photography
- - 2803544
N(3-methyl-5-pyrazolone)-halo-carboxanilides
- - 2817666
Dialkylamides of alpha-(4-antipyrylamino)-fatty acids and their n-alkyl derivatives
- - 2897206
Color photographic image
- - 2354552
Colour couplers for use in colour photography
- - 2803544
N(3-methyl-5-pyrazolone)-halo-carboxanilides
- - 2817666
Dialkylamides of alpha-(4-antipyrylamino)-fatty acids and their n-alkyl derivatives
- - 2897206
Inventors:
Arnold, Weissberger
Anthony, Loria
Salminen, Ilmari F.
Anthony, Loria
Salminen, Ilmari F.
Publication Date:
11/06/1962
View Patent Images:
Export Citation:
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
548/368.700, 548/369.700, 548/368.400
International Classes:
C07D231/52; G03C7/384; C07D231/00; G03C7/38