Color changing materials arranged in slow particle coloration materials

US9720263B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9720263-B2
Application numberUS-201615380462-A
CountryUS
Kind codeB2
Filing dateDec 15, 2016
Priority dateMar 24, 2014
Publication dateAug 1, 2017
Grant dateAug 1, 2017

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  2. Abstract

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  5. First independent claim

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Abstract

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Articles comprises iron oxide colloidal nanocrystals arranged within chains, wherein the chains of nanocrystals are embedded within a material used to form the article or a transfer medium used to transfer a color to the article are described. The material or transfer medium includes elastic properties that allow the nanocrystals to display a temporary color determined by the strength of an external force applied to the article, and the material or transfer medium includes memory properties that cause the displayed temporary color to dissipate when the external force is removed, wherein the dissipation of the displayed temporary color is sufficiently slow as to be visually observable by an average observer's unaided eye.

First claim

Opening claim text (preview).

That which is claimed is: 1. A material comprising iron oxide colloidal nanocrystals arranged within chains, wherein the chains of nanocrystals are embedded within the material, wherein the material allows the nanocrystals to elongate when an external force is applied to the material, wherein the nanocrystals display a color when elongated, wherein the color dissipates when the external force is no longer applied to the material. 2. The material of claim 1…

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What does patent US9720263B2 cover?
Articles comprises iron oxide colloidal nanocrystals arranged within chains, wherein the chains of nanocrystals are embedded within a material used to form the article or a transfer medium used to transfer a color to the article are described. The material or transfer medium includes elastic properties that allow the nanocrystals to display a temporary color determined by the strength of an ext…
Who is the assignee on this patent?
Adidas Ag
What technology area does this patent fall under?
Primary CPC classification G02F1/092. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Aug 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 12 related publications on this page (citations in our corpus or others sharing the same primary CPC).