Cosmetic delivery system for salicylic acid and process for preparation of same
US5585109A · kind A · utility
20Cited by
15References
11Claims
0Family size
Inventors
Key dates
| Filing date | Aug 24, 1995 |
| Grant date | Dec 17, 1996 |
| Priority date | — |
| Expiry date | Aug 24, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/75
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A cosmetic composition and salicylic acid delivery system includes membrane lipid bylayers formed as liposomes and un-neutralized salicylic acid localized within the lipidic bylayers of the liposomes. Other cosmetic ingredients may be located either within the membrane compartment or in either the external or internal aqueous compartments relative the liposomal bylayers. The composition also includes an organic, water-soluble membrane-impermeant base and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.