Skin care compositions
US10507174B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 24, 2016 |
| Grant date | Dec 17, 2019 |
| Priority date | — |
| Expiry date | Aug 24, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J13/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided are skin care compositions that are useful as SPF and UV absorption boosters in formulations containing inorganic metal oxides. The compositions comprise (a) (a) copolymer particles; (b) voided latex particles; (c) inorganic metal oxide particles; and (d) one or more dermatologically acceptable carriers. Also provided are methods of protecting skin from UVA and UVB damage comprising topically administering such compositions to the skin, and methods of boosting the SPF or UV absorption of a sunscreen composition containing inorganic metal oxide particles comprising including such copolymer particles and voided latex particles in the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.