Patent ID: 6395885
Filing Date: 2002-05-28
Classification: C09B,C09D

Abstract:
A dye selected from C.I. Reactive Red 180, C.I. Acid Red 52 and a dye having one of the following formulae, wherein the dye is in the lithium salt form: wherein:each R3 independently is alkoxy, â€”OH, â€”CI or amino; R6 is H or hydroxyethyl; R7 is â€”OH, â€”CI, or C1-4-alkoxy; R8 is â€”COOH, â€”SO3H or â€”PO3H2; R9 and R10 each independently is methyl or ethyl; p is 1 or 2; n is 0 or 1; q and w each independently is 1 or 2; a and b each independently is 1 or 2; and each t independently is 1 or 2.