Image-forming materials including color-providing compounds...

Details Image-forming materials including color-providing compounds... Image-forming materials including color-providing compounds...

C - Chemistry, Metallurgy

07

D

C07D 277/04 (2006.01) C07D 279/06 (2006.01) C09B 53/00 (2006.01) C09B 57/00 (2006.01) G03C 8/10 (2006.01)

Patent

CA 2112240

IMAGING-RECORDING MATERIAL Abstract There are disclosed color-providing compounds comprising two or more cyclic 1,3 sulfur-nitrogen groups and two or more color-providing moieties, i.e., complete dyes or dye intermediates, capable of releasing the color-forming moieties upon cleavage in the presence of silver ions or a soluble silver complex. The color-providing compounds are useful as image-forming materials in color photographic processes.

Le présent brevet porte sur des composés producteurs de couleur comprenant deux ou plusieurs groupes soufre-azote cycliques en 1,3 et deux ou plusieurs groupes fonctionnels producteurs de couleur, c'est-à-dire, des colorants complets ou des intermédiaires de colorant, capables de libérer des groupes fonctionnels de formation de la couleur par clivage en présente d'ions argent ou d'un complexe d'argent soluble. Les composés producteurs de couleur sont utiles comme matériaux de formation des images dans les procédés photographiques en couleur.

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