Patent ID: 6297385
Filing Date: 2001-10-02
Classification: C07D,G03C

Abstract:
A yellow coupler of formula (I) ##STR10##whereinR.sub.1 represents alkyl having from 1 to 22 carbon atoms,R.sub.2 represents halogen, alkoxy having from 1 to 22 carbon atoms or aryloxy of the formula OR'"" in which R'"" is a phenyl or naphthyl group,R.sub.3 represents alkoxycarbonyl (--COOR), carbamoyl (--CONHRR') or urethane (--NHCOOR), wherein R and R' are identical or different and are an alkyl having from 1 to 22 carbon atoms,R.sub.4 represents hydrogen, halogen, alkoxy having from 1 to 22 carbon atoms, CF.sub.3, CN, phenyl, naphthyl or an alkyl having from 1 to 22 carbon atoms,R.sub.5 represents alkyl having from 1 to 22 carbon atoms phenyl or naphthyl andR.sub.6 represents hydroxy-(ethyloxy).sub.n, where n=1 to 2.