Novel oxide/dye pigmentary colorants

Details Novel oxide/dye pigmentary colorants Novel oxide/dye pigmentary colorants

1989-03-29

1991-12-24

Lieberman, Paul

Compositions: coating or plastic

Materials or ingredients

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

106402, 106447, 106450, 106482, 106491, 106499, C09C 128, C09C 136, C09C 300

Patent

active

050749170

ABSTRACT:
Novel Pigmentary colorants, well adapted for the production of electrostatic developer powders and dentifrices, are comprised of coprecipitated/crystallized mineral oxide particulates and at least one dye. The at least one dye is at least partly physically confined within a matrix of the mineral oxide.

REFERENCES:
patent: 3477866 (1969-11-01), Remer
patent: 3716388 (1973-02-01), Lopez et al.
patent: 4167422 (1979-09-01), Bellanca et al.
patent: 4769079 (1988-09-01), Clark et al.

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