Ultraviolet screening powder and cosmetics
US5582818A · kind A · utility
72Cited by
6References
4Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jan 27, 1995 |
| Grant date | Dec 10, 1996 |
| Priority date | — |
| Expiry date | Jan 27, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/90
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Herein disclosed are cosmetics having spherical silica containing an ultraviolet reflecting meterial surface-treated with platy N-lauroyl-L-lysine incorporated therein. According to the present invention, those cosmetics having spherical silica containing a conventional ultraviolet reflecting material blended therewith are improved in cosmetic functions such as spreadability upon application, lubricity upon application, smooth feeling on skins, adhesiveness to skins, water repellency, feeling, etc., maintaining the original ultraviolet screening effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.