C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
8/18, 260/236.27
C09B 1/16 (2006.01) C09B 1/34 (2006.01) D06P 1/39 (2006.01) D06P 1/42 (2006.01)
Patent
CA 1127152
Abstract of the Disclosure There are described new anthraquinone compounds which, in the form of the free acid, correspond to the formula I Image (I) 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 Image (I) - 2 - Image (IV) 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.
316879
Adam Jean-Marie
Lacroix Roger
Vincze Janos
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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