Aqueous composition comprising a cationic cellulosic polymer, an anionic surfactant comprising at least one cationic counterion, a fatty phase and a pigment
US11771639B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2020 |
| Grant date | Oct 3, 2023 |
| Priority date | — |
| Expiry date | Dec 11, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/5426
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present application relates to a composition comprising, notably in a physiologically acceptable medium: •a. water; and•b. at least one cellulosic cationic polymer (CP); and•c. at least one anionic polymer (AP) chosen from methacrylic acid homopolymer salts; and•d. at least one anionic surfactant comprising at least one cationic counterion; and•e. a fatty phase; and•f. at least one pigment; the weight ratio of the total amount of cellulosic cationic polymer(s)/the sum of the total amount of cellulosic cationic polymer(s) and of the total amount of anionic polymer(s) ranging from 40% to 80%, preferably from 60% to 70%; the weight ratio of the sum of the total amount of cellulosic cationic polymer(s) and of the total amount of anionic polymer(s)/the amount of water ranging from 5% to 20%. The invention also relates to a process for coating keratin materials, in particular the skin, notably the contour of the eyes, eyelashes or eyebrows, and keratin fibers, such as the eyelashes and/or the eyebrows, comprising a step of applying to said keratin materials at least one composition as defined above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.