Stable photoprotective compositions
US5827508A · kind A · utility
35Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1996 |
| Grant date | Oct 27, 1998 |
| Priority date | — |
| Expiry date | Sep 27, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/614
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to compositions which are useful for providing protection to the skin of humans from the harmful effects of ultraviolet radiation. In particular the present invention relates to compositions having improved chemical, physical, and photostability. These compositions comprise from about 0.1% to about 10% of a dibenzoylmethane sunscreen compound, from about 0.1% to about 20% of a surface-treated zinc oxide, and a carrier suitable for application to the skin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.