Ballasted p-sulfonamidophenols capable of releasing a non-hetero

Details Ballasted p-sulfonamidophenols capable of releasing a non-hetero Ballasted p-sulfonamidophenols capable of releasing a non-hetero

1975-06-05

1976-11-23

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260206, C09B 2936, C09B 2938, G03C 530, G03C 700

Patent

active

039936384

ABSTRACT:
Nondiffusible p-sulfonamidophenols which are alkalicleavable upon oxidation to release a diffusible color-providing moiety from the benzene nucleus having the formula: ##SPC1##
Wherein Col is a dye or dye precursor moiety, and Ballast is an organic ballasting radical which renders the compound nondiffusible in a photographic element during development with an alkaline processing composition.

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patent: 3751406 (1973-08-01), Bloom
Titov et al., Zhur. Obsh. KHIMII, vol. 30, pp. 623 to 628, (1960).

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