Patent ID: 8524203
Filing Date: 2013-09-03
Classification: A61K,A61Q

Abstract:
1. A composition for providing UVA and UVB protection, the composition comprising a cosmetically acceptable carrier, and a sunscreen composite particle comprising: a) an UVA sunscreen that can undergo keto-enol tautomerization, wherein said UVA sunscreen is 4-(1,1-dimethylethyl)-4′-methoxydibenzoylmethane; b) a condensation polymerizable resin selected from the group consisting of polyalkyleneoxypolyamide (PAOPA) resins wherein said polyalkyleneoxypolyamide resin is polyamide-3; and c) a solvent, the solvent being one in which the UVA sunscreen is soluble in and one having a dielectric constant from about 5.5 to about 9, wherein said solvent is butyl/isopropyl phthalimide,