Photo-stable cosmetic or dermatological compositions
US8119107B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 19, 2005 |
| Grant date | Feb 21, 2012 |
| Priority date | — |
| Expiry date | Sep 7, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/57
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is the use of an effective photo-stabilizing amount of stabilizing agent (a) selected from a diphenylacrylate UV filter (a1), a benzylidene amphor derivative (a2), an organosiloxane comprising benzalemalonate groups (a3), a fluoren derivative (a4), and a naphthalene dicarboxylic acid derivative (a5) for improving the stability with respect to UV radiation of a cosmetic or dermatological composition comprising a UV filter combination of at least one dibenzoylmethane derivative (b) and of at least one specific amino-substituted 2-hydroxybenzophenone derivative (c).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.