Mineral sunscreen composition and process for protecting skin from photodamage and aging
US9034302B2 · kind B2 · utility
2Cited by
4References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2011 |
| Grant date | May 19, 2015 |
| Priority date | — |
| Expiry date | Jun 24, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention is directed to a composition and method for protecting a keratinous substrate from harmful UV rays by applying onto the substrate a composition containing: (a) at least one oil phase thickening agent chosen from an activated clay; (b) at least one substantially solid form dispersing aid; (c) at least one non-volatile solvent; (d) at least one inorganic sunscreen active; (e) at least one emulsifier; (f) at least one volatile solvent; and (g) water, and wherein (a) and (b) are present in the composition in a ratio by weight ranging from greater than 1:4 to less than 1:10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.