Hydroxy alkyl amides of dicarboxylic acids and their use in cosmetic compositions
US5656668A · kind A · utility
8Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 30, 1995 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | May 30, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q19/007
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A class of pseudoceramide having the formula shown in which: R1 is a hydrocarbon group; R2-R8 are each independently H or CH.sub.3 ; R9 and R10 are each independently H or hydrocarbon group of up to 24 C atoms; X1 and X2, are independently H or OH; Y1 and Y2 are H or OH, at least one of Y1 and Y2 being OH; wherein the C atom Z, with associated R9 and R10, can be absent; and the C atoms W, with associated R7 and Y2, can be absent, is disclosed. These find use in compositions, particularly cosmetic compositions, suitable for topical application to skin, hair or nails.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.