Colourant compositions and their use

Details Colourant compositions and their use Colourant compositions and their use

A - Human Necessities

61

K

A61K 8/25 (2006.01) A61Q 5/10 (2006.01) C09D 11/00 (2006.01) D06M 11/00 (2006.01)

Patent

CA 2600356

A fibre colourant and an ink composition are provided which comprise monodisperse particles capable of forming a colloidal crystal that diffracts light having a wavelength in a range that corresponds to the wavelength of visible light. The use of such compositions in colouring substrates is also provided.

L'invention concerne un colorant de fibres et une composition d'encre, comprenant des particules monodispersées pouvant former un cristal colloïdal de diffraction de la lumière présentant une longueur d'onde située dans une gamme correspondant à la longueur d'onde de la lumière visible. L'invention concerne également l'utilisation desdites compositions dans la coloration de substrats.

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