Navy dye mixtures
AssigneeBASF SE
InventorsUdo Bergmann, Helmut Degen, Guenter Hansen, Reinhold Krallmann, Wolf-Dieter Kermer
Life of this patent
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Abstract
Navy dye mixtures which contain, as essential components, compounds of the general formula I ##STR1## where X is chlorine or bromine, Y is methoxy or ethoxy, and R is ##STR2## NHC.sub.2 H.sub.4 CN, NHCH.sub.2 CH.dbd.CH.sub.2 or N(C.sub.2 H.sub.4 OCOCH.sub.3).sub.2, and wherein the dye of the above formula where X is Br, Y is OCH.sub.3 or OC.sub.2 H.sub.5 and R is N(C.sub.2 H.sub.4 OCOCH.sub.3).sub.2 is present in an amount of 25-45%, based on the total weight of the mixture, are very useful for dyeing synthetic polyesters.
Claims2
A navy dye mixture which contains, as essential components, compounds of the formula I ##STR10## where X is chlorine or bromine, Y is methoxy or ethoxy and R is ##STR11## NHC.sub.2 H.sub.4 CN, NHCH.sub.2 CH.dbd.CH.sub.2 or N(C.sub.2 H.sub.4 OCOCH.sub.3).sub.2, and wherein the dye of the above formula where X is Br, Y is OCH.sub.3 or OC.sub.2 H.sub.5 and R is N(C.sub.2 H.sub.4 OCOCH.sub.3).sub.2 is present in an amount of 25-45%, based on the total weight of the mixture and wherein the mixture contains 35-60%, 0.8-12% and 3-20% respectively, of the dyes wherein R is ##STR12## NHC.sub.2 H.sub.4 CN and NHCH.sub.2 CH.dbd.CH.sub.2.
Dependencies are inferred from the claim text.