Fluidized bed process for treating pigments

Details Fluidized bed process for treating pigments Fluidized bed process for treating pigments

C - Chemistry, Metallurgy

09

B

C09B 67/00 (2006.01) C09B 69/10 (2006.01) C09C 3/10 (2006.01) C09D 7/12 (2006.01) A61K 7/00 (1990.01)

Patent

CA 2094800

2094800 9207912 PCTABS00013 This invention relates to a process for treatment of pigments and the compositions of treated pigments using the disclosed process. Particularly, this invention describes a process for producing non-dusty, free flowing, granular pigment materials in which the pigment is treated by a water-dissipatable polyester. The treated pigment materials generally exhibit high dispersibility in water and polar solvent systems. Dispersions of such materials provide film-forming characteristics, water-resistivity and excellent adhesion when applied to the skin. The pigment materials prepared by the disclosed process are suitable for incorporation in paints, inks, cosmetic bases, liquid make-ups or other cosmetic preparations such as mascara.

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