Disazo pigments containing at least one nitro group on the diazo

Details Disazo pigments containing at least one nitro group on the diazo Disazo pigments containing at least one nitro group on the diazo

1974-02-27

1976-08-31

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106308R, 106308F, 260 37R, 260 39P, 260 40R, 260 40TN, 260 4221, 428411, 428412, 428423, 428446, 428473, 428480, 428492, 428500, C09B 3816, D06P 108, D06P 300

Patent

active

039780384

ABSTRACT:
New disazo pigments of the formula ##SPC1##
R being hydrogen, halogen, alkyl, alkoxy, nitrile, trifluormethyl, aryloxy, phenylsulfonyl or benzoyl, m and n 1 or 2, X hydrogen, halogen, alkyl, alkoxy, nitro, nitrile, trifluormethyl or carboxylic acid ester are prepared. The compounds are useful for pigmenting high molecular weight organic materials such as polyamides, polyurethanes and polyesters.

REFERENCES:
patent: 1505568 (1924-08-01), Laska et al.
patent: 1933431 (1933-10-01), Henle et al.
patent: 2009397 (1935-07-01), Goldstein
patent: 2153539 (1939-04-01), Laska et al.
patent: 2591470 (1952-04-01), Schmid et al.
patent: 2676958 (1954-04-01), Hanhart
patent: 3413279 (1968-11-01), Mueller
patent: 3513154 (1970-05-01), Towle et al.

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