Disazo dyes

Details Disazo dyes Disazo dyes

1983-03-23

1985-06-04

Higel, Floyd D.

Bleaching and dyeing; fluid treatment and chemical modification

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

Mixed dyes, noncomplexed

534573, 534649, 534650, 534651, 534677, 534688, C09B 31062, C09B 33044, C09B 3306, C09B 3308

Patent

active

045212163

ABSTRACT:
Compounds of the general formula I ##STR1## where R is hydroxyl or unsubstituted or substituted amino, R.sup.1 is hydrogen or C.sub.1 -C.sub.12 -alkyl, X.sup.1 and Y.sup.1 independently of one another are each a carboxylic acid ester or ether group and X.sup.2 and Y.sup.2 independently of one another are each hydrogen, nitro or chlorine, are very useful for coloring petroleum products, solvents and engine fuel additives.

REFERENCES:
patent: 2009063 (1935-07-01), Laska et al.
patent: 2080191 (1937-05-01), Straub et al.
patent: 2150772 (1939-03-01), Lange
patent: 3037014 (1962-05-01), Liechti
patent: 3350384 (1967-10-01), Conway
patent: 3476500 (1969-11-01), Litke
Bykov et al., Chemical Abstracts, vol. 59, #4067f,g, (1963).

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