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US-9773931-B2 · Sep 26, 2017 · US
Shell-structured particles for sunscreen applications
US10660834B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10660834-B2 |
| Application number | US-201715814849-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 16, 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
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Shell-structured particles for sunscreen applications are provided herein. A composition includes one or more zinc oxide particles constituting a core material in a sunscreen composition, one or more particles coating the one or more zinc oxide particles, wherein each of the one or more particles comprises a band gap within a predetermined range, and wherein said one or more particles are selected based on a desired absorption spectrum of the sunscreen composition, and an anti-reflective coating applied to the surface of the one or more particles coating the one or more zinc oxide particles.
First claim
Opening claim text (preview).
What is claimed is: 1. A sunscreen composition comprising: one or more zinc oxide particles; one or more particles coating the one or more zinc oxide particles, wherein the one or more particles comprise a combination of two or more of one or more zinc oxy-sulfide particles, one or more indium sulfide particles, and one or more indium oxy-sulfide particles; and an anti-reflective coating applied to the surface of the one or more particles coating the one or more zinc oxide particles. 2. The composition of claim 1 , wherein the anti-reflective coating comprises silicon dioxide. 3. The composition of claim 1 , wherein the anti-reflective coating comprises multiple layers of the anti-reflective coating. 4. The composition of claim 1 , wherein the one or more particles comprise one or more particles with a roughened surface.
Assignees
Inventors
Classifications
Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black · CPC title
- A61K8/025Primary
Explicitly spheroidal or spherical shape · CPC title
Coating · CPC title
The particulate/core comprising inorganic material · CPC title
one phase coated with the other · CPC title
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- What does patent US10660834B2 cover?
- Shell-structured particles for sunscreen applications are provided herein. A composition includes one or more zinc oxide particles constituting a core material in a sunscreen composition, one or more particles coating the one or more zinc oxide particles, wherein each of the one or more particles comprises a band gap within a predetermined range, and wherein said one or more particles are selec…
- 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).