Ultraviolet protective preparation and cosmetics containing the same
US7763237B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 2004 |
| Grant date | Jul 27, 2010 |
| Priority date | — |
| Expiry date | Mar 6, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An ultraviolet protective preparation comprising an ester prepared from glycerol and/or a condensate thereof, a straight-chain saturated fatty acid having 2 to 28 carbon atoms, and an aliphatic saturated dibasic acid having 12 to 28 carbon atoms, an oil liquid or pasty at ordinary temperatures which consists of an ester of a mono- to hexa-carboxylic acid having 2 to 36 carbon atoms with a mono- to hexa-hydric alcohol having 1 to 36 carbon atoms, and an ultraviolet protective powder in prescribed portions; and cosmetics containing the ultraviolet protective preparation. The invention provides an ultraviolet protective preparation which is improved in the dispersion stability of ultraviolet protective powder such as titanium dioxide or zinc oxide while keeping the handleability and the ability to give cosmetics excellent in organoleptic properties and storage stability; and cosmetics excellent in organoleptic properties and storage stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.