Sunscreen compositions containing a combination of a linear ultraviolet radiation-absorbing polyether and other ultraviolet-screening compounds
US12303580B2 · kind B2 · utility
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66References
1Claims
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Key dates
| Filing date | May 20, 2022 |
| Grant date | May 20, 2025 |
| Priority date | — |
| Expiry date | May 20, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Sunscreen composition including a combination of a linear ultraviolet radiation absorbing polyether that includes a covalently bound UV-chromophore, and at least one non-polymeric UV-screening compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.