Percutaneous preparation
US6077528A · kind A · utility
1Cited by
0References
5Claims
0Family size
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Inventors
Key dates
| Filing date | Nov 24, 1998 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Nov 24, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to a percutaneous preparation comprising an adhesive layer formed on at least one side of a substrate, the layer containing an acrylic copolymer, 6-amino-5-chloro-1-isopropyl-2-(4-methyl-1-piperazinyl)benzimidazole or an acid addition salt thereof, and 2-mercaptobenzimidazole. This preparation exhibits superior percutaneous absorption of the benzimidazole compound and long sustention of efficacy, and shows an improved stability of the active ingredient, benzimidazole compound, in the preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.