Percutaneous absorption preparation
US6132761A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 3, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | Sep 3, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/22
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides a percutaneous absorption preparation which hardly causes the coloration phenomenon and is excellent in the stability of the drug content. The percutaneous absorption preparation comprises a support and a pressure-sensitive adhesive layer formed on at least one side of the support, wherein the pressure-sensitive adhesive layer contains a percutaneous absorptive drug and at least one of 2-mercaptobenzimidazole and propyl gallate, with the proviso that the percutaneous absorptive drug is not 6-amino-5-chloro-1-isopropyl-2-(4-methyl-1-piperazinyl)benzimidazole and pharmacologically acceptable salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.