Coloring composition and production method and use thereof

Details Coloring composition and production method and use thereof Coloring composition and production method and use thereof

1991-09-25

1993-06-22

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106772, 106778, 424 63, 424 69, C09C 100, C04B 1100

Patent

active

052213420

ABSTRACT:
A coloring composition comprising (i) gypsum dihydrate and (ii) at least one coloring agent selected from the group consisting of inorganic pigments, organic pigments, dyestuffs, and natural coloring matters. This coloring composition may be produced by mixing (i) gypsum having, as water of crystallization, 0 to 0.5 mole, based on one mole of the gypsum, of water, (ii) at least one coloring agent selected from the group consisting inorganic pigments, organic pigments, dyestuffs, and natural coloring matters, and (iii) water or an aqueous solvent solution, and after solidification, powdering the resultant solid mixture.
The coloring composition can provide a clear color tone when formulated in, for example, cosmetics, and when completely dispersed in, for example, a cosmetic base material.

REFERENCES:
patent: 2177251 (1939-10-01), Hanahan
patent: 4724138 (1988-02-01), Duffy et al.
Derwent Abstracts, AN 78-27729A/15, "Porous, Granular Agricultural and Gardening Soil", Japanese Patent, J53022045, Mar. 1, 1978.
Derwent Abstracts, AN 84-168725/27, "Rod-Shaped Cosmetic Material", Japanese Patent J59093014, May 29, 1984.

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