Disazo pigment from condensation of carboxylic acid chloride wit

Details Disazo pigment from condensation of carboxylic acid chloride wit Disazo pigment from condensation of carboxylic acid chloride wit

1982-04-29

1987-08-25

Higel, Floyd D.

Organic compounds -- part of the class 532-570 series

Organic compounds

Azo

106 19, 106 23, 106193P, 106288B, 106288Q, 106289, 106302, 106304, 106308B, 106308Q, 523164, 524190, 534591, 534734, 534874, 534887, C09B 3530, C09B 43132, D06P 144

Patent

active

046894039

ABSTRACT:
The present invention concerns the disazo pigment of the formula ##STR1## The new pigment is useful for coloring plastic material in pure red shades of high tinctorial strength and outstanding fastness to light and migration.

REFERENCES:
patent: 2888453 (1959-05-01), Schmid et al.
patent: 3562249 (1971-02-01), Schnabel et al.
patent: 4053464 (1977-10-01), Rouecht
Lubs, "The Chemistry of Synthetic Dyes and Pigments", Reinhold Publishing Corp.: New York, 1955, pp. 670 to 671.

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