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US-9773931-B2 · Sep 26, 2017 · US
Shell-structured particles for sunscreen applications
US10660833B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10660833-B2 |
| Application number | US-201715816261-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 17, 2017 |
| Priority date | Oct 23, 2015 |
| Publication date | May 26, 2020 |
| Grant date | May 26, 2020 |
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- Title
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Abstract
Official abstract text for this publication.
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 core material in a sunscreen composition, wherein the one or more selected particles comprise one or more indium oxy-sulfide particles; and coating the one or more particles with at least one layer of zinc oxide. 2. The method of claim 1 , further comprising: adjusting the desired absorption spectrum of the sunscreen composition by adjusting the thickness of the at least one layer of zinc oxide coating the one or more particles. 3. The method of claim 1 , further comprising: manipulating the surface of the at least one layer of zinc oxide coating the one or more particles to form a roughened surface. 4. The method of claim 1 , further comprising: applying an anti-reflective coating to the surface of the at least one layer of zinc oxide, wherein the anti-reflective coating comprises a material. 5. The method of claim 4 , wherein the material comprises magnesium fluoride.
Assignees
Inventors
Classifications
Specific shapes or structures not provided for by any of the groups of A61K8/0241 · CPC title
by macromolecular compounds · CPC title
- A61K8/025Primary
Explicitly spheroidal or spherical shape · CPC title
Coating · CPC title
Submicrometer sized, i.e. from 0.1-1 micrometer · CPC title
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- What does patent US10660833B2 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 26 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).