| 摘要 |
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-SO2)nM 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.
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