Microcapsules comprising hydroxyalkyl cellulose
US10201795B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2015 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Oct 27, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/412
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The application describes an aqueous dispersion of microcapsules, wherein the shell of the microcapsules comprises at least one polyurea and the core comprises one or more lipophilic components with the proviso that the core does not contain a fragrance, and having a percentage of the shell weight with reference to the total weight of the capsules of 5 to 40% and wherein the microcapsules have a volume average diameter of 15 to 90 μm and the dispersion comprises hydroxyalkylcellulose and the use of such a dispersion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.