| abstract |
M IS A POSITIVE INTEGER OF AT LEAST 2, N IS O or a positive integer, p is 1 or 2, X is an anion, and Z is an organic chemical structure necessary for completing a heterocyclic ring together with N , is disclosed. The scope of the present invention also extends to the developed product formed, the developing compounds employed and their process of preparation. WHEREIN R is a hydrogen atom, an alkyl group, an alkylphenyl group or -(CH2)m-OR'', R'' is a hydrogen atom, an alkyl group or A process for the development of silver halide photographic materials which comprises developing photographic materials in the presence of a compound of the formula: |