Dye-loaded particles

Details Dye-loaded particles Dye-loaded particles

C - Chemistry, Metallurgy

09

B

C09B 67/08 (2006.01) A61K 8/11 (2006.01) A61K 9/16 (2006.01) A61K 9/51 (2006.01) C09B 67/02 (2006.01)

Patent

CA 2694625

Amorphous particles are provided comprising a homogeneous distribution of one or more dyes encapsulated by an amorphous, siliceous encapsulating agent, wherein the amorphous particle comprises from 3% to 20% dye, by weight of the particle.

La présente invention concerne des particules amorphes comprenant une distribution homogène d'un ou de colorants encapsulés par un agent d'encapsulation siliceux amorphe, la particule amorphe comprenant de 3 % à 20 % de colorant, en poids de la particule.

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