Pigments of the quinacridonequinone series, processes for their

Details Pigments of the quinacridonequinone series, processes for their Pigments of the quinacridonequinone series, processes for their

1987-07-09

1989-11-21

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106497, 546 49, 546 56, 546 57, 546103, C09B 4800, C09B 6752

Patent

active

048819808

ABSTRACT:
Pigments of the quinacridonequinone series consisting of 98-20 mol percent of a quinacridonequinone of the general formula (1) ##STR1## in which R denotes a hydrogen or chlorine atom or a methyl or carbonamide group and m and n are 1 or 2, and 1-65 mol percent of a quinacridone of the general formula (2) ##STR2## in which R, m and n have the abovementioned meaning, and 1-15 mol percent of one or two acridone derivatives of the general formulae (3) and/or (4) ##STR3## in which X denotes O or NH and R can be identical or different and, like m and n, has the abovementioned meaning, the added compounds of the general formulae (2), (3) and/or (4) being predominantly incorporated into the crystal lattice if the quinacridonequinone of the general formula (1), processes for their preparation and their use for coloring synthetic and naturally occurring materials.

REFERENCES:
patent: 3287147 (1966-11-01), Wilkinson
patent: 3341345 (1967-09-01), Ehrich et al.
patent: 3607336 (1971-09-01), Jaffe
patent: 3686009 (1972-08-01), West et al.
patent: 3748162 (1973-07-01), West et al.
patent: 4258190 (1981-03-01), Taggi
patent: 4286998 (1981-09-01), Holtje et al.
patent: 4426231 (1984-01-01), Holtje
patent: 4693753 (1987-09-01), Spietschka et al.

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