Dyestuffs of the phthalocyanine series, their preparation and th

Details Dyestuffs of the phthalocyanine series, their preparation and th Dyestuffs of the phthalocyanine series, their preparation and th

1982-08-30

1984-07-24

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

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

Phthalocyanine dye

8696, 8918, 26024576, 26024581, 26024582, 26024585, C09B 4726, D06P 360

Patent

active

044616228

ABSTRACT:
New phthalocyanine dyestuffs of the formula ##STR1## wherein Phth is a copper phthalocyanine or cobalt phthalocyanine moiety; x is a number from 0 to 3; y is a number from 1 to 4 and the sum of x and y is 4 or less; the thiocyanate group is in the meta or para-position to the amino; and addition products thereof formed with water in the presence of acids; are prepared by converting a phthalocyaninecarboxylic acid into the corresponding acid halide and condensing the acid halide with m- or p-thiocyanoaniline in an inert organic diluent; and the new dyestuffs are for dyeing and printing a material of natural or regenerated cellulose.

REFERENCES:
patent: 2395117 (1946-02-01), Haddock
patent: 3013006 (1961-12-01), Bienert et al.
patent: 3361758 (1968-01-01), Geselbracht et al.
Chemical Abstracts, 1980, 93, 87581g.
Chemical Abstracts, 54: 6145c (1960).
Chemical Abstracts, 51: 5425c (1957).
Chemical Abstracts, 55: 6357d (1961).

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