Sunscreen having disappearing color
US6099825A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 26, 1999 |
| Grant date | Aug 8, 2000 |
| Priority date | — |
| Expiry date | May 26, 2019 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/43
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A colored sunscreen emulsion which enables the user to more effectively protect against skin damage, by facilitating more complete and uniform coverage of the sunscreen on the skin, comprises: PA1 a) at least one particulate ultramarine pigment that imparts a color other than white to the sunscreen emulsion, in amounts such that when the sunscreen emulsion is rubbed into the skin, the color substantially disappears; PA1 b) at least one sunscreen active agent in an amount effective to protect skin against the actinic radiation of the sun; PA1 c) at least one emulsifier; PA1 d) sufficient water to form the colored emulsion; and PA1 e) optionally, one or more ingredients from one or more of the following classes: emollients, humectants, dry-feel agents, waterproofing agents, insect repellents, preservatives, antioxidants, chelating agents and fragrances.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.