Silicone-based cosmetic products containing pigment
US4578266A · kind A · utility
66Cited by
11References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1983 |
| Grant date | Mar 25, 1986 |
| Priority date | — |
| Expiry date | Jul 29, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S424/05
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Unexpectedly high amounts of pigment can be incorporated in anhydrous, pigmented cosmetic compositions containing an organically substituted polysiloxane by providing the pigment in a hydrophobic silicone coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.