Dyeing preparations and their use for preparing developing dyes

Details Dyeing preparations and their use for preparing developing dyes Dyeing preparations and their use for preparing developing dyes

1979-02-21

1980-12-30

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

Dye or potential dye composition, additive, treatment,...

Azo, acridone, or quinone dye

260144, 260158, 260165, 260176, 266203, 266204, D06P 322, D06P 344, D06P 350, D06P 368

Patent

active

042420946

ABSTRACT:
Developing dyes are especially easily produced by using preparations containing molar amounts of diazo or coupling components per weight or volume unit or a multiple or a fraction thereof in simple numerical ratios. Since the diazo component is the free finely dispersed amine these preparations are stable and allow the reaction of stoichiometric amounts. Thus, multicolor effects are feasible which hitherto could not be obtained at all or with difficulties only.

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patent: 3920386 (1975-11-01), Beyer et al.
patent: 4057389 (1977-11-01), Feess et al.

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