Synergistically UV-photoprotecting benzotriazole-substituted silicon/cinnamic acid compositions
US6409999B1 · kind B1 · utility
1Cited by
25References
27Claims
0Family size
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Key dates
| Filing date | Mar 2, 2001 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Mar 2, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q1/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Topically applicable cosmetic/dermatological compositions suited for improvedly UV-photoprotecting human skin and/or hair against the deleterious effects of ultraviolet irradiation, advantageously oil-in-water emulsions, contain SPF-synergistically enhancing amounts of (a) at least one UV-screening benzotriazole-substituted silicon compound and (b) at least one UV-screening cinnamic acid derivative, formulated into (c) a topically applicable, cosmetically/dermatologically acceptable vehicle, diluent or carrier therefor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.