Compositions based on 2,9-Dichloroquinacridone pigments

Details Compositions based on 2,9-Dichloroquinacridone pigments Compositions based on 2,9-Dichloroquinacridone pigments

1993-12-01

1995-02-07

Klemanski, Helene

Compositions: coating or plastic

Materials or ingredients

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

106493, 106494, 106497, 106498, 523 1, C09B 4800

Patent

active

053872819

ABSTRACT:
The present invention relates to a heat stable red pigment composition comprising a 2,9-dichloroquinacridone and a bis-(4, 5,6,7-tetrachloroisoindolin-1-on-3-ylidene)-phenylene-1,4-diamine pigment and a process for its preparation. The red pigment compositions are particularly useful for pigmenting engineering plastics.

REFERENCES:
patent: 4865650 (1989-09-01), von der Crone et al.
patent: 5030734 (1991-07-01), Babler
patent: 5095056 (1992-03-01), Babler et al.
patent: 5194088 (1993-03-01), Babler et al.

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