Sorbitan esters as skin permeation enhancers
US5227169A · kind A · utility
28Cited by
6References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 9, 1992 |
| Grant date | Jul 13, 1993 |
| Priority date | — |
| Expiry date | Mar 9, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Skin permeation enhancer compositions are provided which increase the permeability of skin to transdermally administered pharmacologically active agents. The compositions contain a sorbitan ester in addition to the selected pharmacologically active agent, and may also contain a C.sub.1 -C.sub.4 aliphatic alcohol. Methods and transdermal drug delivery systems for using the compositions are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.