Bleaching and dyeing; fluid treatment and chemical modification – Organic additive for dye composition – dye composition... – Carboxylic acid esters – cyanates – isocyanates – or sulfur...
Patent
1978-12-21
1981-01-20
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Organic additive for dye composition, dye composition...
Carboxylic acid esters, cyanates, isocyanates, or sulfur...
8594, 8609, 8654, C09B 6700
Patent
active
042459907
ABSTRACT:
A process for producing solutions of salts of water-soluble carboxylic acids of cationic dyes or optical brighteners, the solutions of cationic dye salts or brighteners salts which are obtained by this process and which are miscible with water in any proportion, and the use of these solutions for preparing dye liquors and printing pastes for dyeing, optical brightening and printing of, in particular, synthetic textile materials, which process comprises reacting the halide of a cationic dye or brighteners, in an aqueous or anhydrous medium, with at least one water-soluble carboxylic acid in the presence of an epoxide compound having a minimum of 13 carbon atoms.
REFERENCES:
patent: 4095943 (1978-06-01), Lange et al.
Lang Walter
Loew Peter
Almaula Prabodh I.
Ciba-Geigy Corporation
Clingman A. Lionel
McC. Roberts Edward
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