发明名称 |
DOSAGE FORMS COMPRISING POLYMERS COMPRISING DIFFERENT MOLECULAR WEIGHTS |
摘要 |
A dosage form is disclosed comprising a wall surrounding a compartment, which comprises a first composition comprising a carboxymethylcellulose and a second composition comprising a higher molecular weigh carboxymethylcellulose. The first composition comprises a dosage amount of drug that delivers from the dosage form at a controlled rate over time.
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申请公布号 |
US5208037(A) |
申请公布日期 |
1993.05.04 |
申请号 |
US19910688807 |
申请日期 |
1991.04.22 |
申请人 |
ALZA CORPORATION |
发明人 |
WRIGHT, JERI D.;BARCLAY, BRIAN L.;SWANSON, DAVID R. |
分类号 |
A61K9/00;A61K9/22;A61K47/38 |
主分类号 |
A61K9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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