Skin permeation enhancer compositions
US5238933A · kind A · utility
50Cited by
3References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1992 |
| Grant date | Aug 24, 1993 |
| Priority date | — |
| Expiry date | Apr 2, 2012 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/14
- 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 lower aliphatic ester of a lower aliphatic carboxylic acid such as ethyl acetate and a lower alkanol such as propylene glycol. Methods and transdermal drug delivery systems for using the compositions are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.