C - Chemistry – Metallurgy – 09 – B
Patent
C - Chemistry, Metallurgy
09
B
8/1, 260/153
C09B 50/00 (2006.01) C09B 62/04 (2006.01) D06P 1/00 (2006.01)
Patent
CA 1070676
Abstract of the Disclosure Dyes of formula Image (1) wherein D is the radical of a formazane dye of formula Image (2) X is a group which is capable of complex formation, Z is a -NH2 group, a substituted or unsubstituted aliphatic or aromatic amino group. n is 1 or 2 and m is an integer from 2 to 5, and the benzene rings A, B and C can contain further substituents in addition to the -SO3H groups and the radicals of formula Image (3)
242023
Hegar Gert
Seiler Herbert
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