公开(公告)号：EP1309662B1

公开(公告)日：2009-01-07

申请号：EP01980245.3

申请日：2001-08-14

Applicant: BASF SE

Inventor： KAST, Hellmut ,  GESSNER, Thomas ,  TRESCH, Rainer

IPC: C09B11/18 ,  C09D11/00

CPC classification number: C09D11/037 ,  C09B11/18 ,  C09D11/18 ,  Y10S8/919

Abstract: The invention relates to a triarylmethane dye of formula (I), wherein R?1 and R2¿ represent independently methyl, ethyl or hydroxyethyl, Q represents optionally substituted phenyl or naphthyl and A- represents the equivalent of an anion. The triarylmethane dyes do not abstract any carcinogenic Michler`s Keton.