Photoprotective cosmetic compositions comprising inorganic UV-blocking agents
US6855311B2 · kind B2 · utility
2Cited by
5References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2003 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Jul 15, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Stable photoprotective cosmetic emulsions, notably water-in-oil emulsions well suited for the UV-photoprotection of the skin, lips, mucous membranes and/or hair, contain at least one aqueous phase, at least one oily phase, an effective UV-photoprotecting amount of at least one coated or uncoated metal oxide UV-blocking agent and an effective stabilizing amount of at least one amphiphilic oligomer or polymer derived from a polyolefin which also comprises at least one polar moiety, formulated into a physiologically acceptable medium therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.