Light stable quinacridonequinone yellow pigment

Details Light stable quinacridonequinone yellow pigment Light stable quinacridonequinone yellow pigment

1980-05-27

1981-09-01

Poer, James

Compositions: coating or plastic

Materials or ingredients

C08H 1714

Patent

active

042869986

ABSTRACT:
A solid solution of a quinacridonequinone with a stabilizer selected from the group consisting of 2-anilinoacridone, 5,6,7,8-tetrahydro-2-anilinoacridone, 6-anilinoquinolone and 2-aminoacridone of improved lightfastness is provided which displays improved dispersibility while still maintaining a high degree of transparency in automotive finishes when post-treated with a surfactant.

REFERENCES:
patent: 2913348 (1959-11-01), Jackson
patent: 3160510 (1964-12-01), Ehrich
patent: 3341345 (1967-09-01), Ehrich et al.
patent: 3748162 (1973-07-01), West

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