Core/oxide/dye pigmentary colorants

Details Core/oxide/dye pigmentary colorants Core/oxide/dye pigmentary colorants

1990-05-30

1992-07-07

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106442, 106457, C04B 1404

Patent

active

051279525

ABSTRACT:
Novel pigmentary colorants, well adapted for the production of electrostatic developer powders, are comprised of mineral core particulates, at least one mineral oxide and at least one dye, said at least one mineral oxide being deposited onto the surface area of the core particulates, and said at least one dye being absorbed onto the core particulates or onto the at least one mineral oxide and/or being at least partly physically confined within a matrix of the mineral oxide.

REFERENCES:
patent: 3054751 (1962-09-01), Blake et al.
patent: 3477866 (1969-11-01), Remer
patent: 3716388 (1973-02-01), Lopez et al.
patent: 4082905 (1978-04-01), Stephan et al.
patent: 4084983 (1978-04-01), Bernhard et al.
patent: 4491619 (1985-01-01), Biermann et al.
Chemical Abstracts, vol. 99, No. 10, Abstract No. 72264f, Kubo.
Chemical Abstracts, vol. 100, No. 2, Abstract No. 8582u, (Pental Co. Ltd.).
Chemical Ahbstracts, vol. 93, No. 2, Abstract No. 9623h, Hosoya.
Chemical Abstracts, vol. 6, No. 2, Abstract No. 8210w, (Kubo).
Chemical Abstracts, vol. 99, No. 16, Abstract No. 124156u, (Pentel Co. Ltd.).

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