Deposition of hydrophobic actives in the presence of surfactants
US10188589B2 · kind B2 · utility
1Cited by
1References
10Claims
0Family size
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Key dates
| Filing date | Jan 24, 2014 |
| Grant date | Jan 29, 2019 |
| Priority date | — |
| Expiry date | May 19, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/57
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Described are personal care compositions, comprising an anionic surfactant, and a polyurea shell encapsulating a hydrophobic active, wherein the polyurea shell has at least one covalently attached cationic polymer, selected from the group consisting of quaternary amines and cationic biopolymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.