Photoprotective/cosmetic compositions comprising synergistic admixture of sunscreen compounds/nanopigments
US5658555A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Jun 5, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Topically applicable sunscreen/cosmetic compositions well suited for enhanced photoprotection of human skin and/or hair against the damaging effects of UV-A and UV-B irradiation, particularly solar radiation, comprise a photoprotecting synergistically effective amount of (i) 2,4,6-tris[p-((2'-ethylhexyl)oxycarbonyl)anilino]-1,3,5-triazine and benzene-1,4-di(3-methylidene-10-camphorsulfonic)acid, optionally either partially or totally neutralized, together with photoprotecting synergistically effective amounts of (ii) particulates of at least one inorganic nanopigment which comprises a metal oxide, in a cosmetically acceptable vehicle, diluent or carrier therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.