Novel colorants and colorant modifiers

Details Novel colorants and colorant modifiers Novel colorants and colorant modifiers

C - Chemistry, Metallurgy

09

B

C09B 67/00 (2006.01) C07C 51/347 (2006.01) C07C 51/60 (2006.01) C07C 69/76 (2006.01) C07C 69/94 (2006.01) C09B 11/12 (2006.01) C09B 15/00 (2006.01) C09B 19/00 (2006.01) C09B 21/00 (2006.01) C09B 29/085 (2006.01) C09B 57/00 (2006.01) C09B 67/32 (2006.01)

Patent

CA 2221565

A light-stable colored composition which includes a colorant and a radiation transorber. The colorant, in the presence of the radiation transorber, is adapted, upon exposure of the transorber to specific, narrow bandwidth radiation, to be mutable. The radiation transorber also imparts light- stability to the colorant so that the colorant does not fade when exposed to sunlight or artificial light.

La présente invention concerne une composition colorée résistant à la lumière, qui comprend un colorant et un transsorbeur de rayonnements. En présence de ce dernier, le colorant est conçu, quand le transsorbeur est exposé à des rayonnements spécifiques à faible largeur de bande, pour pouvoir muter. Le transsorbeur de rayonnements confère aussi au colorant la résistance à la lumière, de telle sorte que ce colorant ne pâlit pas quand il est exposé à la lumière solaire ou artificielle.

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