Oil-in-water emulsion composition
US11229594B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2016 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Mar 11, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/025
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a composition in the form of an O/W emulsion, comprising: (a) at least one hydrocarbon-based block copolymer comprising at least one styrene block and at least one block comprising units chosen from butadiene, ethylene, propylene, butylene and isoprene or a mixture thereof, which are optionally hydrogenated; (b) at least one film-forming linear ethylenic polymer devoid of styrene; (c) at least one oil; and (d) water. The composition according to the present invention can maintain the form of an O/W emulsion for a long period of time, and can exhibit good cosmetic properties such as soft feeling to the touch, uniform adhesion to the skin and long lasting cosmetic effects.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.