Cosmetic composition containing solid particles coated with an amphoteric polymer
US5643672A · kind A · utility
33Cited by
1References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 1995 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | May 18, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2982
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Cosmetic composition for the skin or skin appendages comprising a dispersion of solid particles in a binder and characterized in that at least a part of said particles is introduced into the composition in the form of particles having their surface coated with at least one amphoteric polymer. The coated particles are easily dispersible, even in fatty binders, and the cosmetic compositions have good stability properties and show good adhesion to the skin and skin appendages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.