Use in cosmetics of block ethylene copolymers with elastic character and compositions containing same
US6805872B2 · kind B2 · utility
17Cited by
3References
51Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 17, 2002 |
| Grant date | Oct 19, 2004 |
| Priority date | — |
| Expiry date | Mar 21, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F293/005
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to the cosmetic use of block ethylenic copolymers of elastic nature comprising at least one rigid block having a glass transition temperature (Tg) of greater than or equal to 20° C. and at least one flexible block having a glass transition temperature (Tg) which is less than 20° C., said compolymers making it possible to obtain a film having an instantaneous recovery of between 5% and 100%. The invention also relates to cosmetic compositions containing these block ethylenic polymers of elastic nature.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.