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US 6,562,082 B1Granted
Disperse dye mixture
AssigneeBASF SE
InventorsAlan Thomas Leaver, David Brierley
Life of this patent
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Abstract
A dye mixture comprises (A) at least one dye of formula (I) wherein X is Cl, Br or I; Q is C1-4alkyl; and each of R1 and R2 independently, is C1-4alkyl or C1-4alkenyl; and (B) at least one dye of formula (II) wherein Q1 is C1-4alkyl; and each of R1 and R2 independently, is C1-4alkyl or C1-4alkenyl.
Claims12
A dye mixture comprising
- (A) at least one dye of the formula (I)
- wherein
- X is Cl, Br or I;
- Q is C1-4alkyl;
- and
- each of R1 and R2, independently, is C1-4alkyl;
- and
- (B) at least one dye of the formula (II)
- wherein
- Q1 is C1-4alkyl;
- and
- each of R3 and R4, independently, is C1-4alkyl.
9 more elements
Dependencies are inferred from the claim text.