Title:
SILVER HALIDE EMULSIONS CONTAINING A STABILIZER PYRAZOLONE COUPLER
United States Patent 3519429
Inventors:
Lestina, Gregory J.
Publication Date:
07/07/1970
Assignee:
EASTMAN KODAK CO
Other Classes:
548/368.700, 430/555, 430/554, 548/364.400, 548/366.400, 548/368.400, 548/365.100, 430/558
International Classes:
C07D231/28; C07D231/32; C07D231/52; C07D311/72; C09B43/00; C09B43/132; G03C7/384; C07D231/00; C07D311/00; G03C7/38; G03C1/40
US Patent References:
| 2632702 | Pyrazolone couplers for color photography | | | |
| 2672417 | Production of color photographic images | | | |
| 2691659 | | | | |
| 3227551 | Photographic color reproduction process and element | | | |