Dye mixtures

Details Dye mixtures Dye mixtures

C - Chemistry, Metallurgy

09

B

8/2

C09B 67/22 (2006.01) C09B 29/08 (2006.01) C09B 29/085 (2006.01) C10L 1/00 (2006.01) C10L 1/22 (2006.01) C10L 1/226 (2006.01)

Patent

CA 1302014

- 8 - O.Z. 0050/38603 Abstract of the Disclosure: Dye mixtures contain an oil- soluble dye and a dye of the formula Image where D is phenyl which is unsubstituted or substituted by methyl or methoxy, R is hydrogen or methyl, R1 is hy- drogen or C1-C4-alkyl and R2 is C3- or C4-alkyl. The mixtures according to the invention are prefer- ably used for coloring and marking mineral oil products.

541992

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