Pigments and extender pigments with enhanced skin adhesion for cosmetic preparations
US6887494B2 · kind B2 · utility
1Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2001 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Jun 11, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition and method for enhancing skin adhesion of cosmetics by using pigments and extender pigments for the cosmetics, which pigments and extender pigments are treated with at least one hydrophobidizing agent and/or hydrophobidizing/lipophobidizing agent and one or more high viscosity esters having a viscosity in excess of 30 cps. The present invention further comprises such coated pigments and extender pigments as well as cosmetics made therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.