发明名称 A HORMONAL INTRAUTERINE DEVICE FOR DELIVERY OF LEVONORGESTREL
摘要 <p>A hormonal interauterine device (42) for controlled and uniform delivery of active ingredient comprising a matrix (40) is provided, wherein said active matrix comprises complex and active ingredient, wherein said active complex consists of styrene maleic anhydride copolymer [SMA] and dimethyl sulfoxide [DMSO].</p>
申请公布号 WO2008023389(A1) 申请公布日期 2008.02.28
申请号 WO2007IN00350 申请日期 2007.08.17
申请人 PREGNA INTERNATIONAL LTD.;GUHA, SUJOY, KUMAR 发明人 GUHA, SUJOY, KUMAR
分类号 A61K31/57;A61F2/14;C08F212/06;C08F222/06 主分类号 A61K31/57
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