Photographic tanning developer formulation

Details Photographic tanning developer formulation Photographic tanning developer formulation

G - Physics

03

C

96/72

G03C 1/42 (2006.01) G03C 5/315 (2006.01)

Patent

CA 1293637

ABSTRACT OF THE DISCLOSURE An alkaline aqueous tanning developing solution for photographic image development comprising at least one hydroxylamine derivative, preferably also containing at least one water miscible polyhydroxy aliphatic organic solvent and/or a developing agent which comprises a polyhydroxybenzene compound having at least two hydroxy groups and at least one electron withdrawing and good leaving group suitable for nucleophilic addition.

494116

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