Pigments and extender pigments which are surface-treated with hydrogenated lecithin, and cosmetics containing the same
US4622074A · kind A · utility
33Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 1985 |
| Grant date | Nov 11, 1986 |
| Priority date | — |
| Expiry date | May 2, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Pigments or extender pigments the surface of which are uniformly coated with hydrogenated lecithin or with the reaction product of hydrogenated lecithin and a metal salt; and a composition for make-up cosmetics containing such pigments or extender pigments and exhibiting excellent protection for the skin, resistance to wear, and good water repellency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.