Use of a benefit delivery particle for malodour benefit
US10034818B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 20, 2015 |
| Grant date | Jul 31, 2018 |
| Priority date | — |
| Expiry date | May 20, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/654
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention provides a use of a particle to absorb and retain odiferous compounds, wherein the particle comprises: —(a) a solid core comprising a first hydrophobic polymer, and (b) a shell comprising a second hydrophobic polymer wherein the Tg of the first hydrophobic polymer is lower than the Tg of the second hydrophobic polymer; wherein the particles have a mean particle size of less than 1 micron, preferably from 0.1 to 0.3 microns, and wherein the odiferous compound is a malodor compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.