Drug containing adhesive preparation
US8309119B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 27, 2008 |
| Grant date | Nov 13, 2012 |
| Priority date | — |
| Expiry date | Aug 10, 2028 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2300/402
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention aims at providing an adhesive preparation wherein a drug is sufficiently dissolved in an adhesive layer and is not easily separated from the adhesive layer even during preservation of the adhesive preparation.The present invention provides an adhesive preparation having an adhesive layer on at least one surface of a support, wherein the adhesive layer comprises a first synthetic rubber having a viscosity average molecular weight of 1,600,000-6,500,000, a drug, an organic liquid component and a tackifier. The present invention further provides the aforementioned adhesive preparation, wherein the organic liquid component is contained in the adhesive layer in a proportion of 20 wt % or above relative to the total weight of the adhesive layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.