Multi-stage benefit agent delivery system
US10047324B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 13, 2016 |
| Grant date | Aug 14, 2018 |
| Priority date | — |
| Expiry date | Oct 13, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a beneficial composition comprising (a) an encapsulated benefit agent composition comprising: a core comprising at least one benefit agent, and a water-insoluble shell; and (b) a suspension medium comprising: at least one suspending polymer, and at least one clay. The present invention also provides methods of using such a beneficial composition. In addition, the present invention provides methods of making a beneficial composition comprising: (a) providing an encapsulated benefit agent composition comprising a core comprising at least one benefit agent and a water-insoluble shell; (b) providing a suspension medium comprising at least one suspending polymer and at least one clay; (c) adding the encapsulated benefit agent composition to the suspension medium; and (d) mixing the suspension medium and the encapsulated benefit agent composition to form a substantially uniform aqueous suspension.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.