摘要:
Novel photographic acetanilide dye-forming couplers comprise a group comprising a stabilizer moiety represented by the formula: ##STR1## wherein R.sup.2 is halogen or alkoxy having 1 to 4 carbon atoms; R.sup.3 is hydrogen, halogen, alkyl or alkoxy; R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are individually alkyl; ##STR2## R.sup.8 and R.sup.9 are individually hydrogen or alkyl; R.sup.10 is hydrogen, alkyl or aryl; and X is a linking group. Such couplers provide advantageous stability in dyes formed from the couplers. These couplers are useful in photographic silver halide materials and processes.
摘要:
A photographic element comprising a silver halide emulsion layer having associated therewith a compound having the formula ##STR1## wherein Y is --O--, --S--, --NH-- or --NR.sup.1 --;n is 0 or 1;each R.sup.1 independently is the residue of a phosphorus acid;each Z independently represents the atoms necessary to complete a substituted or unsubstituted benzene ring; and,X is a single bond or a linking group having a single atom which separates the two benzene rings.Use of the compound provides increased stability of the dye image obtained during photographic processing.