Basf Se Corporation

Beate Frohling

Christian Cremer

Sophie Marquais-Bienewald

Disclosed are compounds of formula (1) or formula (2). The compounds are useful for the dyeing of organic materials, such as keratin fibers, wool, leather, silk, cellulose or polyamides, especially keratin-containing fibers, cotton or nylon, and preferably hair, more preferably human hair. (1) (2).A-(X)&#x2014;(C)&#x2014;S&#x2014;S&#x2014;(C)&#x2014;(X)-D&#x2003;&#x2003;(1) 

Disulfide dyes

The present invention relates to the reaction product of (A) a polymeric backbone with (B) A chromophore; and with (C) at least one sulfide containing compound. Very good dyeing results are obtained with this new technology.

Growing community of inventors

Neustadt, Germany

Beate Frohling