C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
8/25, 260/162.2
C09B 43/10 (2006.01) C09B 62/44 (2006.01) D06P 1/02 (2006.01)
Patent
CA 1207756
- 1 - Abstract of the disclosure: Water-soluble disazo compounds of the general formula Image (1) in which D1 and D2 are each a phenylene or naphthyLene radical which can be substituted by 1 or 2 substituents from the group consisting of 1 chlorine, 1 bromine, 2 sulfo, 2 carboxyl, 2 alkyl of 1 to 4 carbon atoms and 2 alkoxy of 1 to 4 carbon atoms, R' and R" each denote an amino or hydroxyl group, R+ and R* each represent methyl, carboxyl or lower carbalkoxy, R1 and R3 are each hydrogen, lower alkyl, lower alkoxy, chlorine or bromine, R2 and R4 each denote hydrogen, lower alkyl, lower alkoxy or chlorine X denotes a vinyl, .beta.-sulfatoethyl,.beta.- thiosulfatoethyl or .beta.-chloroethyl group and Y is a chlorine, flourine or bromine atom or a sulfo, hydroxyl, aliphatic or aromatic ether group or thioether group or a primary, secondary or tertiary amino group. These dis- azo compounds have fiber-reactive dyestuff properties and produce on hydroxyl- and/or carboxamide-containing - 2 - material, in particular fiber material, such as cellu- losic fibers, strong dyeings having good fastness proper- ties.
427665
Fass Rudolf
Hoyer Ernst
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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