Alkylmethylsiloxane mixtures for skin care
US5380527A · kind A · utility
30Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1991 |
| Grant date | Jan 10, 1995 |
| Priority date | — |
| Expiry date | Aug 26, 2011 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/16
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
This invention relates to alkylmethylsiloxanes mixtures which are useful for softening and moisturizing skin. The mixtures comprise one or more alkylmethylsiloxane solvents of the structure [MeRSiO].sub.a [Me.sub.2 SiO].sub.b or R'Me.sub.2 SiO(MeRSiO).sub.w (Me.sub.2 SiO).sub.x SiR'Me.sub.2 and one or more alkylmethylsiloxane waxes of the structure R'Me.sub.2 SiO(Me.sub.2 SiO).sub.y (MeRSiO).sub.z SiMe.sub.2 R', wherein each R is independently a hydrocarbon of 6 to 30 carbon atoms, R' is methyl or R, a is 1-6, b is 0-5, w is 0-5 and x is 0-5, provided a+b is 3-6 and w is not 0 if R' is methyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.