Color diffusion transfer photographic element with sufinic acid

Details Color diffusion transfer photographic element with sufinic acid Color diffusion transfer photographic element with sufinic acid

1983-09-29

1985-10-15

Schilling, Richard L.

Radiation imagery chemistry: process, composition, or product th

Transfer procedure between image and image layer, image...

Diffusion transfer process, element, or identified image...

430212, 430218, 430372, 430490, 430559, 430607, 430611, 430497, G03C 554, G03C 140, G03C 530

Patent

active

045474524

ABSTRACT:
A color diffusion transfer photographic element containing a compound having a sulfinic acid group or a slat thereof is disclosed. The element is comprised of a photosensitive element and an alkaline processing composition element. The sufinic acid group or a salt thereof includes a compound represented by the general formula (Y-SO.sub.2).sub.n M wherein M is a hydrogen atom, an alkyl metal atom, an alkaline earth metal atom, an ammonium group, or an organic base; Y is an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group, and n is 1 or 2. By utilizing the compound within the processing solution it is possible to prevent the deterioration of processing composition which occurs when the material is stored for a long period of time.

REFERENCES:
patent: 2057764 (1936-10-01), Brunken
patent: 3466173 (1969-09-01), Ishikawa et al.
patent: 3615534 (1971-10-01), Tajima et al.
patent: 3880658 (1975-04-01), Lestina et al.
patent: 3960569 (1976-06-01), Ono
patent: 4294921 (1981-10-01), Yamaguchi et al.
patent: 4352873 (1982-10-01), Toda et al.
patent: 4358534 (1982-11-01), Sasaki et al.
"Photographic Processes and Products", Research Disclosure, No. 15162, 11/1976.

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