P-Sulphophenoxy-phenylazo indoles

Details P-Sulphophenoxy-phenylazo indoles P-Sulphophenoxy-phenylazo indoles

1978-04-03

1981-02-03

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603191, 26032613R, 26032613B, 260456A, 26032616, C09B 2936, D06P 118, D06P 326, D06P 354

Patent

active

042487749

ABSTRACT:
Synthetic fibre materials, especially polyester fibres, are dyed in yellowish to orange-red shades with good fastness to light and washing if dyestuffs of the formula ##STR1## wherein K denotes the radical of a coupling component of the indole series,

REFERENCES:
patent: 3557080 (1971-01-01), Dehnert et al.
patent: 3891619 (1975-06-01), Sommer et al.
patent: 4000123 (1976-12-01), Sommer et al.

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