发明名称 |
Semi-enteric drug delivery systems and methods for preparing same |
摘要 |
The present invention pertains to semi-enteric drug delivery systems which comprise (a) an inert core, (b) a first coating layer over the core comprising a medicament, and (c) a second coating layer over the first coating layer comprising a mixture of methacrylic acid copolymer, type C, and povidone present in a ratio by weight of from about 2:1 to about 24:1, respectively.
|
申请公布号 |
US5167964(A) |
申请公布日期 |
1992.12.01 |
申请号 |
US19920835798 |
申请日期 |
1992.02.14 |
申请人 |
WARNER-LAMBERT COMPANY |
发明人 |
MUHAMMAD, NOUMAN;HARRIS, MICHAEL;WEISS, JAY;NESBITT, RUSSELL U. |
分类号 |
A61K9/22;A61K9/32;A61K9/50 |
主分类号 |
A61K9/22 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|