Clear aqueous ceramide composition
US8313755B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2001 |
| Grant date | Nov 20, 2012 |
| Priority date | — |
| Expiry date | May 4, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/10
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Provided is a clear aqueous ceramide composition comprising 1.0 to 5.0% by weight, based on the total composition, of a ceramide represented by formula (I):wherein R1 represents a hydrocarbon group having 9 to 17 carbon atoms; and R2 represents an acyl group having 2 to 30 carbon atoms which can contain a hydroxyl group, a long-chain fatty acid having 12 to 24 carbon atoms, a nonionic surface active agent, and water. The clear aqueous composition is useful as cosmetics, bath agents, hair-care products, external preparations for the skin, skin protective preparations, particularly medical external preparations for the treatment or protection of the skin, or a component making up these preparations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.