发明名称 |
FENTANYL-CONTAINING PATCH FOR EXTERNAL USE |
摘要 |
A patch for external use which has a laminate structure comprising a substrate and a pressure-sensitive adhesive layer which contains a styrene/isoprene/styrene block copolymer as the base and further contains a tackifier resin component consisting of a rosin resin and at least one other tackifier resin, a softening agent consisting of polybutene and liquid paraffin, a fatty acid ester, and fentanyl, characterized in that the weight ratio of the rosin resin to fentanyl is 1 to 5, the weight ratio of the rosin resin to the whole tackifier resin component is 0.1 to 0.6, and the tackifier resin component accounts for 30 to 60wt% of the whole pressure-sensitive adhesive layer. The patch is excellent in the permeation of fentanyl through the skin and in storage stability and is lowly irritant to the skin. |
申请公布号 |
WO2009096354(A1) |
申请公布日期 |
2009.08.06 |
申请号 |
WO2009JP51172 |
申请日期 |
2009.01.26 |
申请人 |
TEIKOKU SEIYAKU CO., LTD.;MATSUSHITA, KUNIHIKO;NARUSE, MAMORU;HATTORI, KENICHI |
发明人 |
MATSUSHITA, KUNIHIKO;NARUSE, MAMORU;HATTORI, KENICHI |
分类号 |
A61K31/4468;A61K9/70;A61K47/14;A61K47/32;A61K47/46;A61P25/04 |
主分类号 |
A61K31/4468 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|