Lamina and a cosmetic comprising the same
US5066530A · kind A · utility
3Cited by
6References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 25, 1989 |
| Grant date | Nov 19, 1991 |
| Priority date | — |
| Expiry date | Sep 25, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/256
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A lamina having an excellent capacity of scattering ultraviolet rays comprising a laminar substance as a matrix and a finely divided metal or metal compound dispersed therein, wherein the difference in refractive index between the laminar substance and the finely divided metal or metal compound is not less than 0.1, and a cosmetic comprising the same as a UV screener.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.