Method of using a liquid detergent with sunscreen agent
US4933174A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 19, 1987 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Oct 19, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K8/4993
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A liquid composition comprising a sunscreen agent, a preservative, and a non-ionic detergent, an amphoteric detergent or a mixture thereof in an aqueous vehicle. The sunscreen agent is selected from an aminobenzoic acid, the esters of an aminobenzoic acid, homosalate, cinoxate, and oxybenzone and is present in an amount of not less than about 1 percent by weight of the composition. Applying the composition to the skin leaves an effective amount of the sunscreen agent on the skin even after rinsing to protect the skin against sunburn.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.