发明申请
- 专利标题: Process for preparing an alpha-1-antitrypsin solution
- 专利标题(中): 制备α-1-抗胰蛋白酶溶液的方法
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申请号: US10566354申请日: 2004-08-12
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公开(公告)号: US20060194300A1公开(公告)日: 2006-08-31
- 发明人: Petra Schulz , Jurgen Romisch
- 申请人: Petra Schulz , Jurgen Romisch
- 申请人地址: CH Lachen CH-8853
- 专利权人: OCTAPHARMA AG
- 当前专利权人: OCTAPHARMA AG
- 当前专利权人地址: CH Lachen CH-8853
- 国际申请: PCT/EP04/09043 WO 20040812
- 主分类号: C12N9/99
- IPC分类号: C12N9/99
摘要:
A process for preparing A1AT from A1AT-containing solutions, comprising the following steps: (a) subjecting an A1AT-containing solution to ion-exchange chromatography; (b) adding detergents and optionally a solvent for inactivating lipid-enveloped viruses; (c) followed by increasing the salt concentration to salt out the detergents. A1AT having a purity of >90% with an activity of ≧0.8 PEU/mg in its active form.
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