Tranilast-containing preparation for external application and method of producing the same
US6239177A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Aug 4, 1998 |
| Grant date | May 29, 2001 |
| Priority date | — |
| Expiry date | Aug 4, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P17/06
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An external preparation containing tranilast which is excellent in the release of the active ingredient contained therein, achieves a high percutaneous absorption, fully ensures the effective drug concentration in the skin tissue and little irritates the skin This preparation is composed of an aqueous base containing as the active ingredient tranilast, its salt or a mixture thereof. The aqueous base contains a solubilizer for tranilast, a dispersant, an absorption aid, an adhesive and/or a shape retenting agent, and water. The active ingredient has been solubilized by the above-mentioned solubilizer and dispersed in the aqueous base by the above-mentioned dispersant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.