Coated powders having high photostability
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United States of America Patent
Stats
-
Nov 15, 2022
Grant Date -
Jun 18, 2020
app pub date -
Dec 17, 2019
filing date -
Apr 10, 2017
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A coated powder comprises (a) particles, and (b) a coating on the surface of the particles including (1) silica moieties, (2) organo oxysilane moieties selected from the group consisting of mono-organo oxysilane moieties, bi-organo oxysilane moieties and tri-organo oxysilane moieties, and (3) poly(dialkyl)siloxane moieties. The amount by weight in SiO2 equivalents of the organo oxysilane moieties and the silica moieties is at least 0.0625% of the total coated powder weight per m2/g of the specific surface area of the particle to be coated.
First Claim
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- A61K:PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOS....
- C09C:TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBRO....
- C09B:ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PROD....
- B01J:CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, CO....
- A61Q:USE OF COSMETICS OR SIMILAR TOILET PREPARATIONS
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Patent Citation Ranking
- 0 Citation Count
- C09K Class
- 0 % this patent is cited more than
- 3 Age
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