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    • 3. 发明专利
    • PHOTOGRAPHIC COLORED IMAGE FORMING METHOD
    • JPS61179438A
    • 1986-08-12
    • JP2022686
    • 1986-02-03
    • FUJI PHOTO FILM CO LTD
    • SAITO NAOKIAOKI KOZOYOKOTA YUKIO
    • G03C7/34G03C7/413
    • PURPOSE:To obtain the colored image having an excellent fastness against a heat and a light, and having a less lowering of a color concentration, even if a bleaching liquor having a weak oxidizing power is used, by treating a potographic sensitive material contg. a specific indonapthol type coupler with a specific developing treatment method. CONSTITUTION:The sensitive material contg. the indo naphthol type coupler shown by formula I wherein R1 is -CONR3R4 or -NHCOOR5 residue, R2 is a group capable of substituting to the naphthol, (m) is 0-3, X is O, S, HN= or R6N=group, Y is hydrogen atom or a group capable of releasing with a coupling reaction of an aromatic primer amine developing agent oxidant and said coupler, R3 and R4 are each a hydrogen atom, an aliphatic, an aromatic or a heterocyclic ring group, R5 and R6 are each an aliphatic, an aromatic or a heterocyclic ring, is exposured to form an image followed by developing to form an image like distribution or matrix composed of an oxidized color developing agent shown by formula II. The indonaphthol type colored image is formed by reacting said image like distribution with the coupler shown by formula I. Said coloring matter has not more than three reactive points which from a metal chelate capable of forming the metal coloring matter. Said coloring matter does not need any after-chelate step. According, the lowering of the color concentration is controlled, even if the developing is performed with a fatigued bleaching liquor.