Mineral based coloring pigments

Details Mineral based coloring pigments Mineral based coloring pigments

1989-10-27

1992-04-21

Dixon, Jr., William R.

Compositions: coating or plastic

Materials or ingredients

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

106417, 106468, 106483, 106487, C08K 500, C04B 1410, C09C 102

Patent

active

051064200

ABSTRACT:
A mineral based coloring pigment has been developed which includes a water-soluble organic dye which has been insolubilized or "fixed" onto a mineral pigment substrate by means of a cationic or anionic chemical compound. Also, a method for producing the mineral based coloring pigment and products containing the mineral based coloring pigment have been developed.

REFERENCES:
patent: 3545909 (1970-12-01), Gagliardi
patent: 3834924 (1974-09-01), Grillo
patent: 3950180 (1976-04-01), Kato
patent: 4084983 (1978-04-01), Bernhard et al.
patent: 4444592 (1984-04-01), Ludwig
patent: 4543128 (1985-09-01), Troesch et al.
patent: 4566909 (1986-01-01), Nakatani et al.
patent: 4609404 (1986-09-01), Marraccini et al.
patent: 4655843 (1987-04-01), Marraccini et al.
patent: 4773936 (1988-09-01), Clark et al.
Juzu et al., "Coloring of Inorganic Material", Dec. 19, 1975 (Chemical Abstract 84:181745z.

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