Preserving agent comprising 4-(3-ethoxy-4-hydroxyphenyl)-2-butanone, and use thereof in cosmetic compositions
US12048758B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2017 |
| Grant date | Jul 30, 2024 |
| Priority date | — |
| Expiry date | Feb 1, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/524
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a preserving agent for a cosmetic composition, comprising 4-(3-ethoxy-4-hydroxyphenyl)-2-butanone and a second compound chosen from salicylic acid, the compounds of formula (II), salts thereof, esters thereof with an alcohol containing from 1 to 4 carbon atoms, and a mixture of these compounds. The present invention also relates to the use of the preserving agent for preserving cosmetic compositions. The present invention also relates to a cosmetic composition comprising the above preserving agent. Finally, the present invention relates to the use of the cosmetic composition for treating keratin fibres, preferably human keratin fibres such as the hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.