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US-9773931-B2 · Sep 26, 2017 · US
Shell-structured particles for sunscreen applications
US10653593B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10653593-B2 |
| Application number | US-201715816269-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 17, 2017 |
| Priority date | Oct 23, 2015 |
| Publication date | May 19, 2020 |
| Grant date | May 19, 2020 |
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- Title
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- Abstract
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Abstract
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Shell-structured particles for sunscreen applications are provided herein. A method includes selecting one or more particles to serve as a core material in a sunscreen composition, wherein each of the one or more particles comprises a band gap within a predetermined range, and wherein said selecting is based on a desired absorption spectrum of the sunscreen composition; coating the one or more particles with at least one layer of zinc oxide.
First claim
Opening claim text (preview).
What is claimed is: 1. A method, comprising: selecting one or more particles to serve as a coating layer in a sunscreen composition, wherein the one or more selected particles comprise one or more indium oxy-sulfide particles; and coating one or more zinc oxide particles with the one or more selected particles. 2. The method of claim 1 , further comprising: adjusting the desired absorption spectrum of the sunscreen composition by adjusting the thickness of the one or more particles coating the one or more zinc oxide particles. 3. The method of claim 1 , further comprising: manipulating the surface of the one or more particles coating the one or more zinc oxide particles to form a roughened surface. 4. The method of claim 1 , further comprising: applying an anti-reflective coating to the surface of the one or more particles coating the one or more zinc oxide particles, wherein the anti-reflective coating comprises a material. 5. The method of claim 4 , wherein the material comprises magnesium fluoride.
Assignees
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Classifications
one phase coated with the other · CPC title
The particulate/core comprising inorganic material · CPC title
Submicrometer sized, i.e. from 0.1-1 micrometer · CPC title
Zinc; Compounds thereof · CPC title
two phases having the same anion, e.g. both oxidic phases · CPC title
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- What does patent US10653593B2 cover?
- Shell-structured particles for sunscreen applications are provided herein. A method includes selecting one or more particles to serve as a core material in a sunscreen composition, wherein each of the one or more particles comprises a band gap within a predetermined range, and wherein said selecting is based on a desired absorption spectrum of the sunscreen composition; coating the one or more …
- Who is the assignee on this patent?
- IBM
- What technology area does this patent fall under?
- Primary CPC classification A61K8/025. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue May 19 2020 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 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).