Non-ionic surfactant emulsion vehicles and their use for deposition of drug into and across skin
US5720948A · kind A · utility
14Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 1995 |
| Grant date | Feb 24, 1998 |
| Priority date | — |
| Expiry date | Nov 7, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/32
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Non-ionic surfactant emulsion vehicles and compositions comprising an emulsifier system including one or more non-ionic surfactants, an oil phase and an aqueous phase for enhancing the penetration of a drug substance across the stratum corneum and into deeper skin layers are disclosed. A method whereby an effective amount of a composition comprising the emulsion vehicle and a drug substance is topically applied to the skin also is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.