Yellow-dye-forming photographic developing composition

Details Yellow-dye-forming photographic developing composition Yellow-dye-forming photographic developing composition

1982-01-22

1983-07-19

Brown, J. Travis

Radiation imagery chemistry: process, composition, or product th

Color imaging process

Using identified radiation sensitive composition in the...

430468, 430471, 430472, 430475, G03C 716, G03C 700

Patent

active

043944400

ABSTRACT:
A yellow-dye-forming photographic developing composition having improved stability comprises a haloacetanilide coupler, such as alpha-pivalyl-alpha-(4-carboxyphenoxy)-2,4-dichloroacetanilide, an N-alkyl-N-alkoxyalkyl-p-phenylenediamine developing agent, such as 4-amino-N-ethyl-N-(2-methoxyethyl)-m-toluidine di-p-toluene sulfonate, and a 4,4-disubstituted-1-aryl-3-pyrazolidinone, such as 4,4-dimethyl-1-phenyl-3-pyrazolidinone.

REFERENCES:
patent: 3658525 (1972-04-01), Bent et al.
patent: 3816134 (1974-06-01), Schellenberg et al.
patent: 3929484 (1975-12-01), Ross
patent: 4155763 (1979-05-01), Hasebe

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