Pigment compounds and method of preparations

Details Pigment compounds and method of preparations Pigment compounds and method of preparations

1979-06-25

1981-08-25

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106288Q, 106308Q, 106309, 260174, 260178, 260193, 2602071, 260465D, C09B 4300, C09B 5600, C09B 5700, D06P 144

Patent

active

042858631

ABSTRACT:
There are provided new pigments of the "bismethinic" type having the formula ##STR1## where A is benzene, 2,5-dimethoxy-benzene, 2,5-dichlorobenzene, naphthalene, diphenyl or anthracene, and B is azobenzene, azotoluene, 2-methoxy-5-benzanilide, 2-methoxy-3',4'-chloroazobenzene, 2-hydroxy-5-methyl-benzene, 2-methoxy-5-benzoylamino-benzene, 2-methoxy-5-ureido-benzene, 2-chloro-5-carboxybenzene, 2,4-dichloro-benzene, 2,5-dimethoxy-4-chloro-benzene, benzothiazole, 1-(3-chlorophenyl)-pyrazole, 1-(3,4-dichlorophenyl)-pyrazole, indazole, 2,4-dimethoxy-benzene, 4-dimethylamino-benzene, benzimidazolone, 2-methoxy-5-acetylamino-benzene or 2-methoxy-benzene.

REFERENCES:
patent: 3069456 (1962-12-01), Strobel et al.
patent: 3257393 (1966-06-01), Vinton
patent: 3257394 (1966-06-01), Cohen
patent: 3386491 (1968-06-01), Weaver et al.
patent: 3717625 (1973-02-01), Peter et al.

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