Cosmetic compositions with structural color
US5290555A · kind A · utility
61Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 1, 1992 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Oct 1, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Cosmetic compositions which display structural color include at least two cosmetically acceptable liquid phases, either or both of which contain cosmetically efficacious agents, the phases being selected to have the same refractive index, but different dispersive power.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.