发明授权
- 专利标题： Sustained-release theophylline tablet
- 专利标题（中）： 缓释茶碱片
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申请号： US09509322申请日： 2000-03-21
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公开(公告)号： US06426091B1公开(公告)日： 2002-07-30
- 发明人: Mutsuo Okumura , Minoru Kamakura , Masaaki Sunohara
- 申请人： Mutsuo Okumura , Minoru Kamakura , Masaaki Sunohara
- 优先权： JP9-281172 19970930; JP10-235406 19980821
- 主分类号： A61K922
- IPC分类号： A61K922
摘要：
A theophylline sustained release tablet obtained by coating core granules composed mainly of theophylline with a layer of a coating film composed of a hydrophobic material and a plastic excipient and optionally containing an enteric polymer material to form coated granules and then by compressing the coated granules together with a disintegrating excipient.
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