Pigments of the quinacridonequinone series, process for their pr

Details Pigments of the quinacridonequinone series, process for their pr Pigments of the quinacridonequinone series, process for their pr

1986-09-09

1987-09-15

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

106309, C04B 1400

Patent

active

046937536

ABSTRACT:
Pigments of the quinacridonequinone series comprising 99-30 mole percent of a quinacridonequinone of the formula (1) ##STR1## in which R denotes a hydrogen or chlorine atom or a methyl group, 0-60 mole percent of a quinacridone of the formula (2) ##STR2## in which R has the above-mentioned meaning, and 1-10 mole percent of a 7,15-dihydro-pyrido-(2,1-b)-(1',2'; 1,2)-pyrimido-(4,5-g)-quinazoline-7,15-dione of the formula (3) ##STR3## in which R has the above-mentioned meaning, the added compounds of the formulae (2) and (3) being present in the crystal lattice of the quinacridonequinone of the formula (1), process for their preparation and their use for coloring plastic materials and for preparing automotive paints for metallic coatings.

REFERENCES:
patent: 3298847 (1967-01-01), Hanke et al.
patent: 3341345 (1967-09-01), Ehrich et al.
patent: 3607336 (1971-09-01), Jaffe
patent: 3686009 (1972-08-01), West
patent: 3748162 (1973-07-01), West
patent: 3897411 (1975-07-01), Mory et al.
patent: 4025518 (1977-05-01), Wriede
patent: 4197404 (1980-04-01), Johnson
patent: 4286998 (1981-09-01), Holtje et al.
patent: 4632704 (1986-12-01), Babler
Helvetica chimica Acta, vol. 61, Fasc. 3 (1978) Nr. 109, pp. 1146-1157, (Altiparmakian, R.).

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