Dye developer transfer photosensitive material with substituted

Details Dye developer transfer photosensitive material with substituted Dye developer transfer photosensitive material with substituted

1974-05-16

1976-01-06

Klein, David

Gas separation: apparatus

Electric field separation apparatus

Including gas flow distribution means

96 3, 96 29D, 96 77, 96 95, G03C 700, G03C 554, G03C 176, G03C 140

Patent

active

039308626

ABSTRACT:
A light-sensitive member for use in a color diffusion transfer element which comprises a support having thereon at least one silver halide emulsion layer and at least one dye developing agent combined with the silver halide in the silver halide emulsion layer, wherein at least one layer on the support contains an auxiliary developing agent selected from the group consisting of a catechol having at least one substituent, with at least one of the substituents being selected from the group consisting of an alkoxy group, an acylamino group, an acylimino group, an alkylsulfonamido group, an alkylthio group, an arylthio group, an alkylseleno group, an arylseleno group and a heterocyclic group; dissolved in a substantially water-insoluble solvent and present in the layer as finely divided liquid droplets.

REFERENCES:
patent: 2983606 (1961-05-01), Rogers
patent: 3002997 (1961-10-01), Green et al.
patent: 3146102 (1964-08-01), Weyerts et al.
patent: 3262781 (1966-07-01), Ryan et al.
patent: 3462266 (1969-08-01), Stewart
patent: 3617277 (1971-11-01), Stewart
patent: 3653896 (1972-04-01), Stewart et al.

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