Invention Grant
- Patent Title: Multistep final filtration
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Application No.: US16660635Application Date: 2019-10-22
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Publication No.: US11891430B2Publication Date: 2024-02-06
- Inventor: Roberto Falkenstein , Klaus Schwendner
- Applicant: Hoffmann-La Roche Inc.
- Applicant Address: US NJ Little Falls
- Assignee: Hoffmann-La Roche Inc.
- Current Assignee: Hoffmann-La Roche Inc.
- Current Assignee Address: US NJ Little Falls
- Agent Charles Wong
- Priority: EP 012460 2009.10.01
- Main IPC: C07K16/06
- IPC: C07K16/06 ; C07K16/28 ; C07K16/32 ; C07K1/16 ; C07K1/34 ; C07K1/36

Abstract:
Herein is reported a method for the final filtration of concentrated polypeptide solutions comprising the combination of two immediately consecutive filtration steps with a first filter of 3.0 μm and 0.8 μm pore size and a second filter of 0.45 μm and 0.22 μm pore size.
Public/Granted literature
- US20200291097A1 MULTISTEP FINAL FILTRATION Public/Granted day:2020-09-17
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