Disazo pigments containing tetracarboxylic acid ester groups

Details Disazo pigments containing tetracarboxylic acid ester groups Disazo pigments containing tetracarboxylic acid ester groups

1975-09-23

1977-09-27

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260184, C09B 3314, C09B 4312

Patent

active

040511227

ABSTRACT:
Disazo pigments of the formula ##STR1## wherein R represents alkyl containing 1 to 6 carbon atoms, cyclohexyl or phenyl, and X and Y represent hydrogen, halogen, alkyl or alkoxy groups containing 1 to 4 carbon atoms which are useful for pigmenting high molecular organic material.

REFERENCES:
patent: 3562249 (1971-02-01), Schnabel et al.
patent: 3691149 (1972-09-01), Mueller et al.

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