Thermally processable imaging element comprising sulfenimide compounds

Abstract

This invention provides a thermally processable imaging element comprising a support and a thermographic or photothermographic imaging layer, said imaging layer comprising a sulfenimide compound represented by the formula: ##STR1## wherein M represents the atoms necessary to form, with R.sup.1 and R.sup.2, a five or six-membered ring or a multiple ring system; w is 1 or 0, wherein when w is 0, R.sup.1 and R.sup.2 are independently substituted or unsubstituted aliphatic, aromatic or heterocyclic groups, and when w is 1, R.sup.1 and R.sup.2 are independently carbonyl or sulfonyl groups; R.sup.3 is independently a substituted or unsubstituted aliphatic, aromatic or heterocyclic group and x is 0 or 1. In one embodiment the thermally processable imaging element comprises: (a) photographic silver halide, and (b) an image-forming combination comprising (i) an organic silver salt oxidizing agent, with (ii) a reducing agent for the organic silver salt oxidizing agent.

Dependencies are inferred from the claim text.