Use of metal oxide-doped zinc oxides for cosmetic purposes
US5800824A · kind A · utility
5Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1996 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | Sep 26, 2016 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Metal oxide-doped colored zinc oxides are useful as colorants and UV absorbers in cosmetics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.