Hydroalcoholic compositions for transdermal penetration of pharmaceutical agents
US6019997A · kind A · utility
86Cited by
50References
56Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 9, 1997 |
| Grant date | Feb 1, 2000 |
| Priority date | — |
| Expiry date | Jan 9, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/26
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Hydroalcoholic compositions useful for the enhancement of the transdermal delivery of a pharmaceutical agent, methods of preparation, transdermal delivery systems, and methods of delivering the pharmaceutical agent are provided. The composition includes a lower alcohol and water in a weight ratio of at least about 20:80, a pharmaceutical agent, and an emulsifier system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.