Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product – Alkylene sulfato – halotriazine – halodiazine,...
Patent
1990-11-13
1992-05-19
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Reactive dye composition, process, or product
Alkylene sulfato, halotriazine, halodiazine,...
8436, 8437, 8543, 8638, 8639, 8641, 8917, 8919, 8924, 534618, C09B 6246, D21H 2128, D06P 138
Patent
active
051144301
ABSTRACT:
The fibre-reactive formazan dyes of the formula ##STR1## where B is an aliphatic or sulfo-free aromatic bridge member, R is .alpha.,.beta.-dihalopropionyl, .alpha.-haloacryloyl or haloacetyl, T.sub.1 is halogen, X is halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, cyano or nitro, Y is --CO-- or --SO.sub.2 --, Z is nitrogen or --C--T.sub.2, T.sub.2 is halogen, hydrogen, C.sub.1 -C.sub.4 alkylthio, cyano, formyl or C.sub.1 -C.sub.4 alkylsulfonyl, m is 1, 2 or 3, n is 0, 1 or 2, q is 0 or 1, and r and s are each either 0 or 1 but never the same as each other, produce dyeings having good fastness properties on nitrogen-containing or hydroxyl-containing fibre materials.
REFERENCES:
patent: 3926942 (1975-12-01), Yelland
patent: 4444564 (1984-04-01), Salathe et al.
patent: 4563192 (1986-01-01), Salathe et al.
patent: 4801694 (1989-01-01), Scheibli et al.
patent: 4994562 (1991-02-01), Lehmann
Ciba-Geigy Corporation
Clingman A. Lionel
Mathias Marla J.
McC. Roberts Edward
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