Chrome complexed azo or azomethine hexadentate dyes

摘要

Chrome-complexed hexadentate dyes which include an ortho, ortho- dihydroxy azo or azomethine dye moiety, a colorless ligand which is a radical of an iminodiacetic acid and a linkage connecting the ligand to the dye moiety. In one embodiment the dyes include a photographically useful group and are also useful in photographic applications.