Process for the preparation of a concentrated aqueous reactive d

Details Process for the preparation of a concentrated aqueous reactive d Process for the preparation of a concentrated aqueous reactive d

1988-01-22

1988-10-18

Sever, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

21050027, B01D 1300

Patent

active

047786035

ABSTRACT:
Ultrafiltered solutions of the dyestuff of the formula ##STR1## (Me=cation) such as is obtained directly on synthesis, are distinguished by an increased tinctorial strength in pad-steam dyeing of cellulose fibres.

REFERENCES:
patent: 4436523 (1984-03-01), Hugelshofer et al.
patent: 4690765 (1987-09-01), Linder et al.

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