Patent classifications
C
CHEMISTRY; METALLURGY
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C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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C09B
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; , e.g. PIGMENTS; MORDANTS; LAKES
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67/00
Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents; grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
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C09B67/0033
Blends of pigments; Mixtured crystals; Solid solutions
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C09B67/0046
Mixtures of two or more azo dyes
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C09B67/0051
mixture of two or more monoazo dyes
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C09B67/0052
Mixtures of two or more reactive monoazo dyes
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C09B67/0054
all the reactive groups not being directly attached to a heterocyclic system
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C09B67/0054

DYEING COMPOSITION, DYED PRODUCT, AND AZO COLORING AGENT
20200354576 · 2020-11-12 · ·

Provided are a dyeing composition which contains an azo coloring agent represented by Formula 1 or 2, a dyed product which is obtained by being dyed with the dyeing composition, and a novel azo coloring agent. In Formulae 1 and 2, C.sup.1 represents a heteroaromatic group, A.sup.1 and B.sup.1 each independently represent a heteroaromatic group, an aromatic group, or a group having a methine structure, and at least one of A.sup.1 or B.sup.1 represents a heteroaromatic group, D.sup.1 represents an anthraquinonyl group, and E.sup.1 represents a heteroaromatic group, an aromatic group, or a group having a methine structure.


A.sup.1-NNC.sup.1NNB.sup.1Formula 1


D.sup.1-NN-E.sup.1Formula 2

Bisazo dyes and mixtures thereof
10214648 · 2019-02-26 · ·

The present invention relates to novel bisazo dyes, a process for their preparation and their use for dyeing and/or printing substrates.

BISAZO DYES AND MIXTURES THEREOF
20170121527 · 2017-05-04 ·

The present invention relates to novel bisazo dyes, a process for their preparation and their use for dyeing and/or printing substrates.