Topical formulations for UV protection
US10064797B2 · kind B2 · utility
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13Claims
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Key dates
| Filing date | Jun 15, 2015 |
| Grant date | Sep 4, 2018 |
| Priority date | — |
| Expiry date | Jun 15, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C251/20
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel compounds having a two-armed cyclic structure are described. These novel compounds absorb both ultraviolet (UV)-A and UV-B radiation and are formulated with pharmaceutically acceptable excipients to generate a topical composition which is photoprotective when applied to the skin of a subject. Methods for measuring the photoprotective properties of the novel compounds are described as are methods of protecting against sunburn or sun damage through the application of the topical compositions formulated as described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.