Perinone compounds as colorants for polyolefins

Details Perinone compounds as colorants for polyolefins Perinone compounds as colorants for polyolefins

1977-05-26

1978-06-27

Person, Sandra M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260282, C08K 534

Patent

active

040974502

ABSTRACT:
Perinones of the formula ##STR1## IN WHICH A represents an ortho- or peri-arylene radical or a heterocyclic radical, and n represents the number 1 or 2 and m = 1 if n = 1 and m = 0 if n = 2, are obtained by reacting a 3,6-dihydroxynaphthalic anhydride with an aromatic or heterocyclic ortho- or peri-diamine or tetramine or the salts thereof. The products are valuable pigments.

REFERENCES:
patent: 3415806 (1968-12-01), Pfister
patent: 3459489 (1969-08-01), Sureau et al.

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