Photographic color couplers containing mono-n-alkyl groups
United States Patent 2908573
US Patent References:
Manufacture of photographic silver halide emulsions
- - 2186849
Nondiffusing couplers for color photography
- - 2425503
Color couplers containing isophthalic acid radicals
- - 2652329
Photographic color correction
- - 2704711
Compounds containing an isophthalate group useful in photography
- - 2721798
Manufacture of photographic silver halide emulsions
- - 2186849
Nondiffusing couplers for color photography
- - 2425503
Color couplers containing isophthalic acid radicals
- - 2652329
Photographic color correction
- - 2704711
Compounds containing an isophthalate group useful in photography
- - 2721798
Inventors:
Bush, Walter M.
Salminen, Ilmari F.
Thirtle, John R.
Salminen, Ilmari F.
Thirtle, John R.
Publication Date:
10/13/1959
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Export Citation:
Assignee:
EASTMAN KODAK CO
Primary Class:
Other Classes:
564/166, 564/169, 430/554, 430/553, 430/556, 564/158, 564/175, 564/168, 548/368.400
International Classes:
C07D231/52; G03C7/32; C07D231/00
US Patent References:
| 2808329 | Photographic color correction using colored and uncolored couplers |