Cosmetic or dermatological composition forming, on a keratin substrate, a film in cross-linked hybrid material
US6352699B1 · kind B1 · utility
26Cited by
2References
25Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1999 |
| Grant date | Mar 5, 2002 |
| Priority date | — |
| Expiry date | Dec 3, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/95
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention concerns a cosmetic or dermatological composition designed for for forming a film on a keratin substrate, in cross-linked hybrid material. Said composition is of the sol/gel type and is obtained by mixing: (a) at least an organometallic compound; (b) at least a functionalised organic polymer or said polymer precursor, or at least a functionalised silicone polymer or said polymer precursor, the precursor being different from (a); (c) a sufficient amount of water for hydrolysing the organometallic compound: and (d) optionally at least an alcohol; said film being non-reversible.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.