Benefit delivery particle comprising a phenylalanine chitosan salt
US10383798B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 9, 2016 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Aug 8, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/505
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Disclosed is a benefit agent delivery particle comprising a benefit agent; and a chitosan salt at the outer surface of the particle, wherein the chitosan salt comprises a chitosan component and amino acid anion, wherein the amino acid comprises phenylalamine; the amino acid does not comprises tyrosine; and the amino acid does not comprises histidine or the amino acid comprises no greater than 20% of histidine by mole of the total amino acid, wherein the benefit agent comprises fragrance, pro-fragrance, hair conditioning agent, anti-dandruff agent, moisturizers, emollients, dyes, pigments, color care additives, or a mixture thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.