Encapsulated benefit agents
US9937109B2 · kind B2 · utility
0Cited by
1References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2014 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Nov 27, 2034 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/624
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A particle comprising:—(a) a spacer which is a polyethylene glycol (PEG) chain with molecular weight Mw (and therefore the required length) of the spacer extending from the particle from 3000 to 400,000; (b) a deposition aid; and (c) a benefit agent, wherein the spacer is attached directly to the particle and the deposition aid is attached to the end of the spacer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.