[EN] 1:2 METAL COMPLEX DYES, THEIR COMPOSITIONS, THEIR PRODUCTION AND THEIR USE<br/>[FR] COLORANTS A BASE DE COMPLEXE METALLIQUE 1:2, COMPOSITIONS CORRESPONDANTES, FABRICATION ET UTILISATION
申请人:CLARIANT INT LTD
公开号:WO2003033598A1
公开(公告)日:2003-04-24
1:2-metal complex dyes of the formula (I), wherein the sympols R1 , R1', R2 , R2', R3 , R3', Y, Z, n, n', Me, M and (Kat)+ are defined as in the Claims, mixtures thereof, their compositions, their production and their use as anionic dyes for dyeing substrates, especially leather, in brown to red shades.