Anthraquinone compounds and the production and use thereof

Details Anthraquinone compounds and the production and use thereof Anthraquinone compounds and the production and use thereof

1985-05-31

1987-09-22

Hollrah, Glennon H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C143665

Patent

active

046954066

ABSTRACT:
There are described new anthraquinone compounds which, in the form of the free acid, correspond to the formula I ##STR1## wherein the X's independently of one another are each a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, Y is hydrogen or is the same as X, and wherein the phenyl rings a can also be substituted by one or more halogen atoms, the production and use thereof, and also dye solutions containing a solvent mixture consisting of one or more aprotic solvents, at least one glycol and/or glycol ether, and optionally water and further additives, which solutions contain in each case a mixture of two anthraquinone dyes which, in the form of the free acid, correspond to the formulae I and IV ##STR2## wherein the X's independently of one another are each a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms, Y is hydrogen or is the same as X, and wherein the phenyl rings a can also be substituted by one or more halogen atoms.

REFERENCES:
patent: 3320287 (1967-05-01), Schwander
patent: 4309180 (1982-01-01), Lacroix et al.

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