Thickener for cosmetic composition
US5855898A · kind A · utility
4Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 1996 |
| Grant date | Jan 5, 1999 |
| Priority date | — |
| Expiry date | Dec 2, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/73
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A thickening system containing an amorphous silica and xanthan gum in a silica/xanthan gum weight ratio from 160:1 to 2:1, preferably 100:1 to 5:1, most preferably 30:1 to 6.5:1 can be used to stabilise and thicken cosmetic compositions containing alpha-hydroxy carboxylic acids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.