Skin cosmetic containing ceramides of pseudoceramides and dicarboxylic acids and dicarboxylic acid salts
US5641495A · kind A · utility
11Cited by
8References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 17, 1995 |
| Grant date | Jun 24, 1997 |
| Priority date | — |
| Expiry date | Oct 17, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A skin cosmetic causing little irritation and having an excellent moisturizing effect which contains the following components (A), (B) and (C): PA1 (A) a ceramide or a pseudoceramide represented by the following formula (1) or (2): ##STR1## wherein R.sup.1 and R.sup.2 represent each a C.sub.9 to C.sub.39 hydrocarbon group; and R.sup.3 and R.sup.4 represent each H, a phosphate residue, a sulfate residue, etc.; PA1 (B) a dicarboxylic acid; and PA1 (C) a salt of a dicarboxylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.