Blue disperse dyes colorfast to light at high temperatures

Details Blue disperse dyes colorfast to light at high temperatures Blue disperse dyes colorfast to light at high temperatures

C - Chemistry, Metallurgy

09

B

C09B 67/22 (2006.01) C09B 5/36 (2006.01)

Patent

CA 2609780

The invention relates to dyes of general formula (I), wherein R1 to R4 and Y are such as defined in claim 1, to mixtures containing said dyes, to methods for the production thereof and to the use of said dyes for dyeing and printing hydrophobe synthetic materials.

Colorants de formule générale (I) dans laquelle R<SUP>1</SUP> à R<SUP>4</SUP> et Y sont tels que définis dans la revendication 1, mélanges contenant ces colorants, procédés de production de ces colorants ainsi que leur utilisation pour teindre et imprimer des matières synthétiques hydrophobes.

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