Polyazo dyes obtained by successive coupling of H-acid and two f

Details Polyazo dyes obtained by successive coupling of H-acid and two f Polyazo dyes obtained by successive coupling of H-acid and two f

1988-10-31

1991-01-29

Higel, Floyd D.

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

Organic compounds

Azo

534582, 534680, 534685, C09B 3322, C09B 4524, D06P 139

Patent

active

049888048

ABSTRACT:
Polyazo dyes obtainable by

REFERENCES:
patent: 1565344 (1925-12-01), Vossen
patent: 2097276 (1937-10-01), Gyr
patent: 2152652 (1939-04-01), Lange, I
patent: 2153531 (1939-04-01), Lange, II
patent: 2168571 (1939-08-01), Krzikalla et al.
patent: 2259735 (1941-10-01), Crossley et al.
patent: 2758109 (1956-08-01), Huss et al.
patent: 2830979 (1958-04-01), Goebel et al.
K. Venkataraman, The Chemistry of Synthetic Dyes, vol. 1, pp. 415-416, (1952).
C. I. Acid Brown 121 and 122 (Constitution Numbers 33520 and 33525.

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