Light screening compositions
US6193959A · kind A · utility
22Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 1997 |
| Grant date | Feb 27, 2001 |
| Priority date | — |
| Expiry date | Apr 16, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/57
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Photostable, cosmetic light-screening compositions for the protection of the human epidermis and the hair against the ultraviolet rays of wavelengths between 290 and 400 nm comprising, in a cosmetically acceptable vehicle containing at least one fatty phase, about 0.5 to about 5%, in particular about 1 to about 4% by weight, of a dibenzoylmethane type UV-A screening agent and at least about 0.1% to about 20%, in particular about 0.5 to about 15% by weight, of a polymer UV-B filter of the benzylidene malonate silicone type
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.