Propellant-containing cosmetic preparations with starch particles and anionic polymer
US10835472B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 2018 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Aug 30, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/31
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present disclosure relates to cosmetic compositions for cleaning keratin fibres. An exemplary cosmetic composition includes, in relation to the total weight of the cosmetic composition, a) a particle comprising, in relation to the total weight of the particle, from about 65 to about 99% by weight of a native and/or physically modified starch, b) an anionic polymer comprising a structural unit of formula (I), a structural unit of formula (II), and a structural unit of formula (III): in which R1, R2 and R4, independently of one another, stand for a hydrogen atom or a C1-C4 alkyl group, R3 stands for a branched or unbranched, saturated or unsaturated C1-C12 alkyl group, R5 stands for a branched or unbranched, saturated or unsaturated C6-C14 alkyl group, and A stands for oxygen, sulfur or an NH group, and c) at least one propellant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.