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US 10,781,367 B2Granted
Effect pigments and structural colorants incorporating fluorescent particles
AssigneeBASF SE
InventorsBenjamin Mohr, Urs Stadler
Life of this patent
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Abstract
An effect pigment includes a substrate; an outer layer disposed above the substrate; and particles disposed above the substrate and at least partially entrapped by the outer layer, the particles comprising quantum dots.
Claims14
An effect pigment comprising:
- a substrate;
- an outer layer disposed above the substrate;
- an intermediate layer disposed between the outer layer and the substrate, optionally wherein the intermediate layer comprises a plurality of layers disposed between the substrate and the outer layer;
- and
- particles disposed above the substrate;
- wherein:
- the particles comprise quantum dots;
- and
- the particles are:
- disposed as a layer between the intermediate layer and the outer layer,
- disposed as a layer between the substrate and the intermediate layer, or are embedded within the intermediate layer.
8 more elements
An inverse opal structure comprising a framework defining a plurality of periodically spaced pores, wherein the framework comprises a solid material having quantum dots dispersed therein, and wherein the quantum dots comprise zinc oxide quantum dots.
Dependencies are inferred from the claim text.