Encapsulated benefit agents
US9321987B2 · kind B2 · utility
1Cited by
1References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 2013 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | Nov 5, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/56
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides improved deposition and reduced leakage benefits from a particle comprising: (a) a core comprising a benefit agent; (b) a shell, wherein the shell comprises a crosslinked, hydrophobically modified polyvinyl alcohol, which comprises a crosslinking agent comprising i) a first dextran aldehyde having a molecular weight of from 2,000 to 50,000 Da; and ii) a second dextran aldehyde having a molecular weight of from greater than 50,000 to 2,000,000 Da.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.