Process for the manufacture of indigoid dyes

Details Process for the manufacture of indigoid dyes Process for the manufacture of indigoid dyes

1976-12-16

1979-04-24

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260321, C09B 700

Patent

active

041511700

ABSTRACT:
A process for the manufacture of indigoid dyes, wherein a functional derivative of the anthranilic acid of the general formula I ##STR1## in which A completes a mono- or polynuclear, substituted or unsubstituted aromatic ring,

REFERENCES:
patent: 643502 (1900-01-01), Holt et al.
patent: 662073 (1900-11-01), Koetschet et al.
patent: 768455 (1904-08-01), Homolka et al.
patent: 1015495 (1912-01-01), Koetschet et al.
patent: 1567158 (1925-12-01), Mayer et al.
patent: 1854460 (1932-04-01), Dreyfus

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