Tetrakisazo pigments prepared by reacting an aminoazobenzene and

Details Tetrakisazo pigments prepared by reacting an aminoazobenzene and Tetrakisazo pigments prepared by reacting an aminoazobenzene and

1975-06-24

1976-10-26

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106297, 106300, 106308Q, 106308N, 260 37R, 260 37SB, 260 37NP, 260 40R, 260 4221, 260205, 260206, 260207, 2602071, 260562K, 428412, 428423, 428425, 428446, 428447, 428474, 428480, 428492, 428500, C09B 3130, C09B 3550, D06P 108

Patent

active

039883124

ABSTRACT:
New tetrakisazo pigments of the formula ##EQU1## wherein A, R.sub.1 and R.sub.2 denote a benzene or naphthalene radical, are prepared. The compounds may be used for pigmenting high-molecular organic material such as cellulose ethers, polyvinyl chloride and polypropylene. The pigments have high tinctorial and good fastness to migration.

REFERENCES:
patent: 1594865 (1926-08-01), Zitscher
patent: 2300636 (1942-11-01), Sieglitz et al.
patent: 2571990 (1951-10-01), Stratton
patent: 3413279 (1968-11-01), Mueller
patent: 3657219 (1972-04-01), Ronco et al.
patent: 3872078 (1975-03-01), Cseh et al.

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