Cosmetic tanning and sunscreen agent
US5976510A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1997 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Oct 16, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A new cosmetic product combines tanning, sunscreen, moisturizing and water-repellant properties in a stable formulation. The product is an O/W emulsion which includes from 5% to 14% by weight of inorganic pigments treated with perfluoroalkyl phosphates, in which the pigments are selected from the group consisting of colored iron oxides, titanium dioxide and mixtures thereof. There are dispersants selected from the group consisting of at least (b1) cetyl dimethicone copolyol and (b2) cetyl dimethicone which are present in the range of 2% to 10% by weight, with the ratio of (b1) to (b2) in the range from 15-3 to 40-8, and further known carrier and auxiliary agents as well as further dispersants if required, in which the share of moisturizing additives is less than 4% by weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.