Photographic tanning developer formulation

Details Photographic tanning developer formulation Photographic tanning developer formulation

1986-08-18

1987-10-13

Louie, Won H.

Radiation imagery chemistry: process, composition, or product th

Silver halide colloid tanning process, composition, or product

430268, 430486, 430331, 430484, 430485, 430204, 430205, 430265, 430267, 430250, 430479, 430438, 430306, 430309, 430405, G03C 102

Patent

active

046998683

ABSTRACT:
An alkaline aqueous tanning developing solution for photographic image development comprising at least one hydroxylamine derivative. Preferred formulations may also contain 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.

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