C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 3/10 (2006.01) A61K 7/00 (1995.01)
Patent
CA 2276030
The present invention relates to a pigment composition comprising a pigment treated with a water-dispersible polyester or polyesteramide polymer in the absence of added water. The invention also relates to a method grinding a mixture containing of a pigment with a water-dispersible polyester or polyesteramide in the absence of added water. Such pigment compositions are particularly useful as the colorant in cosmetic compositions.
L'invention concerne une composition de pigment contenant un pigment traité par un polyester pouvant se disperser dans l'eau ou un polymère de polyesteramide en l'absence d'un apport d'eau. Elle concerne également un procédé servant à constituer un mélange contenant un pigment avec un polyester pouvant se disperser dans l'eau ou un polyesteramide en l'absence d'un apport d'eau. Ces compositions de pigment sont particulièrement utiles en tant que colorant de compositions cosmétiques.
Huggins Nicole B.
Orr Carl C.
Shah Amit R.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
E-L Management Corp.
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