发明名称 |
Two-phase matrix for sustained release drug delivery device |
摘要 |
A two-phase hydrophilic drug-containing matrix for use in transdermal drug delivery patches in which one phase is a continuous hydrophobic polymer phase which optionally includes a hydrophobic solvent that acts as a skin permeation enhancer and the other phase is a dispersed particulate hydrated inorganic silicate in whose absorbed aqueous phase the drug is dissolved.
|
申请公布号 |
US5989586(A) |
申请公布日期 |
1999.11.23 |
申请号 |
US19930056076 |
申请日期 |
1993.04.30 |
申请人 |
CYGNUS, INC. |
发明人 |
HSU, TSUNG-MIN;CHEN, TUNG FEN |
分类号 |
A61K9/06;A61K9/14;A61K9/70;A61K31/38;A61K31/55;(IPC1-7):A61F13/00;A61F13/02;A61F9/70 |
主分类号 |
A61K9/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|