Patent ID: 6551363
Filing Date: 2003-04-22
Classification: C09B,D06P,Y10S

Abstract:
A dye mixture comprisingas component (A) at least one dye of formula â€ƒand as component (B) at least one dye of formula â€ƒwherein R1 is C1-C6alkyl unsubstituted or substituted by hydroxy, cyano, phenyl, acyloxy or â€ƒit being possible for the alkyl chain from C3 to be interrupted one or more times by oxygen, or is allyl, R2 is C1-C4alkyl substituted by C1-C4alkoxycarbonyl, or is n-hexyl, R3 is C1-C4alkyl, and R4 is hydrogen, halogen, C1-C4alkyl or C1-C4alkoxy.