Color-forming carboxamidonaphthalene dye precursor and...

Details Color-forming carboxamidonaphthalene dye precursor and... Color-forming carboxamidonaphthalene dye precursor and...

C - Chemistry, Metallurgy

09

B

96/107, 96/273,

C09B 53/00 (2006.01) C07C 311/05 (2006.01) C09B 55/00 (2006.01) G03C 1/10 (2006.01) G03C 7/26 (2006.01)

Patent

CA 1206972

-i- COLOR-FORMING CARBOXAMIDONAPHTHALENE DYE PRECURSOR AND CARBOXIMIDE DYE IN PHOTOGRAPHIC MATERIAL AND PROCESS Abstract of the Disclosure A new color-forming 4-(4'-secondary or tertiary-amino)anilino-1-carboxamidonaphthalene dye precursor in a photographic material and process enables formation of a dye image by means of cross- oxidation without the need for a coupling reaction. The color-forming 4-(4'-secondary or tertiary- amino)anilino-1-carboxamidonaphthalene dye precursor is useful in a photographic silver halide material for producing (i) a dye image, or (ii) a dye image and silver image. The exposed photographic material is processed to produce (a) a positive dye image, (b) a negative dye and negative silver image, (c) a negative dye image or (d) a positive dye image and a positive silver image. New naphthoquinoneimide dyes are also described.

413214

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