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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62/00
Reactive dyes, i.e. dyes which form covalent bonds with the substrates or which polymerise with themselves
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C09B62/44
with the reactive group not directly attached to a heterocyclic ring
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C09B62/62
the reactive group being an ethylenamino or N-acylated ethylenamino group or a —CO—NH—CH2—CH2—X group, wherein X is a halogen atom, a quaternary ammonium group or O-acyl and acyl is derived from an organic or inorganic acid, or a beta-substituted ethylamine group
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C09B62/675

Fibre reactive formazan dyes, their preparation and their use
10550268 · 2020-02-04 · ·

A reactive dye of formula ##STR00001## wherein Z.sub.1 and Z.sub.2 are each independently of the other vinyl or a radical CH.sub.2CH.sub.2Y and Y is a group removable under alkaline conditions, n is the number 1, 2, 3 or 4, m is the number 2, 3 or 4, q is the number 0 or 1, and the substituents (SO.sub.3H).sub.n, SO.sub.2Z.sub.1 and NHCO(CH.sub.2).sub.mSO.sub.2Z.sub.2 are bound to the benzene rings A, B and/or C, said benzene rings A, B and/or C are optionally further substituted by at least one substituent selected from the group C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.4alkoxy and halogen,
is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.

FIBRE REACTIVE FORMAZAN DYES, THEIR PREPARATION AND THEIR USE
20190002699 · 2019-01-03 ·

A reactive dye of formula

##STR00001## wherein Z.sub.1 and Z.sub.2 are each independently of the other vinyl or a radical CH.sub.2CH.sub.2Y and Y is a group removable under alkaline conditions, n is the number 1, 2, 3 or 4, m is the number 2, 3 or 4, q is the number 0 or 1, and the substituents (SO.sub.3H).sub.n, SO.sub.2Z.sub.1 and NHCO(CH.sub.2).sub.mSO.sub.2Z.sub.2 are bound to the benzene rings A, B and/or C, said benzene rings A, B and/or C are optionally further substituted by at least one substituent selected from the group C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.4alkoxy and halogen, is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.

FIBRE REACTIVE FORMAZAN DYES, THEIR PREPARATION AND THEIR USE
20190002699 · 2019-01-03 ·

A reactive dye of formula

##STR00001## wherein Z.sub.1 and Z.sub.2 are each independently of the other vinyl or a radical CH.sub.2CH.sub.2Y and Y is a group removable under alkaline conditions, n is the number 1, 2, 3 or 4, m is the number 2, 3 or 4, q is the number 0 or 1, and the substituents (SO.sub.3H).sub.n, SO.sub.2Z.sub.1 and NHCO(CH.sub.2).sub.mSO.sub.2Z.sub.2 are bound to the benzene rings A, B and/or C, said benzene rings A, B and/or C are optionally further substituted by at least one substituent selected from the group C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.4alkoxy and halogen, is suitable for dyeing and printing cellulosic or amide-group-containing fibre materials.