发明公开
- 专利标题: ENTERIC COATED TABLET
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申请号: US18363001申请日: 2023-08-01
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公开(公告)号: US20230372250A1公开(公告)日: 2023-11-23
- 发明人: Akio RYU , Miyako OSADA
- 申请人: ZERIA PHARMACEUTICAL CO., LTD.
- 申请人地址: JP Tokyo
- 专利权人: ZERIA PHARMACEUTICAL CO., LTD.
- 当前专利权人: ZERIA PHARMACEUTICAL CO., LTD.
- 当前专利权人地址: JP Tokyo
- 优先权: JP 13032759 2013.02.22
- 主分类号: A61K9/28
- IPC分类号: A61K9/28 ; A61K31/606
摘要:
To provide an enteric coated tablet containing a large amount of medicinal ingredient and having sufficient impact resistance, without forming a thick enteric coating layer.
The enteric coated tablet contains (A) a core tablet containing a medicinal ingredient and having a weight of 1,000 mg or more; (B) a coating layer containing a water-soluble polymer applied onto the surface of the core tablet; and (C) an enteric coating layer dissolving at pH 7 or higher which is applied onto the surface of the coating layer containing a water-soluble polymer, wherein the sum of the polymer amount of the coating layer (B) and the polymer amount of the coating layer (C) is 10 to 18 mg/cm2, the polymer amount of the coating layer (B) is 6 to 12 mg/cm2, and the polymer amount of the coating layer (C) is 3 to 6 mg/cm2.
The enteric coated tablet contains (A) a core tablet containing a medicinal ingredient and having a weight of 1,000 mg or more; (B) a coating layer containing a water-soluble polymer applied onto the surface of the core tablet; and (C) an enteric coating layer dissolving at pH 7 or higher which is applied onto the surface of the coating layer containing a water-soluble polymer, wherein the sum of the polymer amount of the coating layer (B) and the polymer amount of the coating layer (C) is 10 to 18 mg/cm2, the polymer amount of the coating layer (B) is 6 to 12 mg/cm2, and the polymer amount of the coating layer (C) is 3 to 6 mg/cm2.
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