Water-based cosmetic compositions
US10639259B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Oct 28, 2015 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Oct 27, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions containing (1) water, (2) at least one hydrophilic sunscreen active agent having a sulfonic acid group, (3) at least one surfactant selected from the group consisting of alkoxylated fatty alcohols, sorbitan esters, alkoxylated silicones, and mixtures thereof, and (4) at least one copolymer comprising at least one monomer comprising a carboxylic acid containing α,β-unsaturation, at least one monomer containing an ester of a carboxylic acid containing α,β-unsaturation, and at least one monomer containing an oxyalkylenated fatty alcohol are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.