Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Sulfur dye or vat dye
Patent
1989-08-16
1991-07-09
Lieberman, Paul
Bleaching and dyeing; fluid treatment and chemical modification
Dye or potential dye composition, additive, treatment,...
Sulfur dye or vat dye
8561, 8650, 8651, 8918, C09B 4900
Patent
active
050302485
ABSTRACT:
Cellulosic substrates are dyed by a continuous dyeing method with dispersed sulfur dyes using a reducing sugar, especially glucose, as the reducing agent for the dye.
REFERENCES:
patent: 4252533 (1981-02-01), Heid et al.
patent: 4801303 (1989-01-01), Carlough et al.
Journal of the Society of Dyers and Colourists, vol. 103, Sep. 1987, pp. 297-298.
Darland J. E.
Doyle Thomas C.
Lieberman Paul
Sandoz Ltd.
Sharkin Gerald D.
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