Anthraquinone compounds

Details Anthraquinone compounds Anthraquinone compounds

C - Chemistry, Metallurgy

09

B

8/18, 8/2, 260/2

C09B 1/30 (2006.01) C09B 1/34 (2006.01) C09B 1/54 (2006.01) D06P 1/24 (2006.01) D06P 3/24 (2006.01)

Patent

CA 1045134

Abstract of the Disclosure Disclosed are anthraquinone dyestuffs which, in free acid form, are of formula I, Image I in which R signifies an alkyl radical of 6 to 24 carbon atoms, an unsubstituted cyclohexyl radical or a cyclohexyl radical substituted by one or more substituents selected from halogen atoms and alkyl and alkoxy radicals, R1 and R2, independently, each signifies an alkyl radical of 1 to 6 carbon atoms, X signifies -O- or a direct bond, ring A is unsubstituted or substituted by one or two halogen atoms, hydroxyl groups or C1-4 alkyl or alkoxy groups, their production and use in the dyeing of anionic dyeable substrates, particular natural and synthetic polyamide fibres.

191946

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