Dyes for use in diverse applications

Details Dyes for use in diverse applications Dyes for use in diverse applications

1996-12-26

1998-09-22

Shah, Mukund J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

544 10, 544236, 546116, 546130, C07D24310, C07D28516, C07D48700, C07D47102

Patent

active

058115463

ABSTRACT:
The synthesis and the application of new dyes is described. In particular said new dyes can be incorporated in non-migratory state in hydrophilic colloid layers of photographic materials wherefrom they can be rapidly removed after being quickly decolorized in alkaline aqueous liquids used in the processing of said materials. In photographic applications dyes of the general formula (I) are provided with at least one ionisable group which permits solubilization in aqueous and/or alkaline medium. ##STR1## The meanings of the symbols are as defined in the claims and in the description.

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