发明公开
- 专利标题: AMLODIPINE SALT FORMS AND PROCESSES FOR PREPARING THEM
- 专利标题(中): 苯磺酸氨氯地平盐形式和方法及其
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申请号: EP02780186.9申请日: 2002-11-21
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公开(公告)号: EP1448197A1公开(公告)日: 2004-08-25
- 发明人: ETTEMA, Gerrit, Jan, Bouke , HOORN, Hans, Jan , LEMMENS, Jacobus, Maria
- 申请人: Synthon B.V.
- 申请人地址: Microweg 22 6545 CM Nijmegen NL
- 专利权人: Synthon B.V.
- 当前专利权人: Synthon B.V.
- 当前专利权人地址: Microweg 22 6545 CM Nijmegen NL
- 代理机构: Prins, Hendrik Willem
- 优先权: US331742P 20011121
- 国际公布: WO2003043635 20030530
- 主分类号: A61K31/4422
- IPC分类号: A61K31/4422 ; C07D211/90 ; A61P9/12 ; A61P9/10
摘要:
The present invention is based on the discovery that additional forms of amlodipine besylate exist beyond the single known form of the prior art. The invention also relates to anovel process for making various amlodipine besylate form. The novel amlodipine besylate forms include crystalline hydrates and anhydrates as wellas amorphous forms.
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