[EN] MONOPHASE SOLID SOLUTIONS COMPRISING A PLURALITY OF COLOUR FORMER COMPOUNDS AND PROCESS FOR THEIR PREPARATION<br/>[FR] SOLUTIONS SOLIDES MONOPHASIQUE DE PLUSIEURS COMPOSES CHROMOGENES ET LEUR PROCEDE DE PREPARATION
申请人:CIBA SC HOLDING AG
公开号:WO2000012318A1
公开(公告)日:2000-03-09
A monophase solid solution comprising a plurality of colour formers selected from the group consisting essentially of the fluoran type, phthalide type, phenoxazine type, phenothiazine type, rhodamine lactam type, leuco-auramine type, triphenylmethan type, spiropyran type, benzoxazine type, quinazoline type of colour formers and mixtures thereof, preferably wherein the colour forming materials are selected from the fluoran and phthalide type of colour former and mixtures thereof.