Product based on inorganic or organic lamellar particles, containing a melanotic pigment, process for preparing it and its use in cosmetics
US5205837A · kind A · utility
32Cited by
0References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1991 |
| Grant date | Apr 27, 1993 |
| Priority date | — |
| Expiry date | Jul 16, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09C2220/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to a product in powder form consisting of organic or inorganic particles having a lamellar structure, having a size of less than 50 microns and containing at least one synthetic melanotic pigment formed in situ by oxidation of an indole compound, and to its use for the protection of the human epidermis, in make-up products and for dyeing hair.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.