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US-9773931-B2 · Sep 26, 2017 · US
Shell-structured particles for sunscreen applications
US10632329B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10632329-B2 |
| Application number | US-201715586917-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 4, 2017 |
| Priority date | Oct 23, 2015 |
| Publication date | Apr 28, 2020 |
| Grant date | Apr 28, 2020 |
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- Title
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- Abstract
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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. A composition includes selecting one or more particles to serve as a coating layer 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; and coating one or more zinc oxide particles with the one or more selected particles.
First claim
Opening claim text (preview).
What is claimed is: 1. A sunscreen composition comprising: a zinc oxide particle, wherein the zinc oxide particle serves as a structural core material in a sunscreen composition; and a coating material, wherein the coating material coats the zinc oxide particle and modifies a first absorption spectrum of the sunscreen composition to a second absorption spectrum, and wherein the coating material consists of a combination of one or more zinc oxy-sulfide particles, one or more indium sulfide particles and one or more indium oxy-sulfide particles. 2. The composition of claim 1 , wherein the coating material is a roughened surface. 3. The composition of claim 1 , wherein the coating material is of a pre-determined size. 4. The composition of claim 1 , wherein the coating material is of a pre-determined thickness.
Assignees
Inventors
Classifications
by macromolecular compounds · CPC title
The particulate/core comprising inorganic material · CPC title
Treatment of specific inorganic materials other than fibrous fillers (tenebrescent materials C09K9/00; luminescent materials C09K11/00); Preparation of carbon black · CPC title
Specific shapes or structures not provided for by any of the groups of A61K8/0241 · CPC title
two phases having the same anion, e.g. both oxidic phases · CPC title
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- What does patent US10632329B2 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 A61Q17/04. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Apr 28 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).