Soluble trisazo dyestuffs and their production and use

Details Soluble trisazo dyestuffs and their production and use Soluble trisazo dyestuffs and their production and use

C - Chemistry, Metallurgy

09

B

8/25, 260/158.1

C09B 31/16 (2006.01) C09B 33/18 (2006.01) C09B 35/46 (2006.01) D06P 1/06 (2006.01)

Patent

CA 1048999

Abstract of the Disclosure Soluble trisazo dyestuffs for direct dyeing of cotton and other hydroxyl- or nitrogen-containing fibres of the general formula I Image I wherein Z denotes the radical Image or Image X = Image , -S- or -O-, R = H, alkyl having 1 to 4 C atoms, phenyl or benzyl; A denotes the radical of a diazo component; B denotes the radical of a coupling component; n denotes the number 1 or 2, and the nuclei I and/or II can carry further substituents and/or the sulpho groups can also be present in the salt form.

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