UV-photoprotecting W/O emulsions comprising micronized insoluble screening agents & nonscreening oxyalkylenated silicones
US6403061B1 · kind B1 · utility
101Cited by
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54Claims
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Key dates
| Filing date | Oct 23, 2000 |
| Grant date | Jun 11, 2002 |
| Priority date | — |
| Expiry date | Oct 23, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Topically applicable, water-resistant cosmetic/dermatological water-in-oil (W/O) emulsions well suited for the UV-photoprotection of human skin and/or hair comprise (a) at least one aqueous phase and (b) at least one fatty phase, (c) an effective UV-photoprotecting amount of at least one micronized organic UV-screening agent insoluble therein, the mean particle size of such micronized particles ranging from 0.01 to 2 &mgr;m, and (d) at least one oxyalkylenated non-UV-screening organomodified silicone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.