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公开(公告)号：US11555174B2
公开(公告)日：2023-01-17
申请号：US17828353
申请日：2022-05-31
申请人： REPLIGEN CORPORATION
发明人： David Serway
摘要： A method for promoting biological activity uses a filter system to increase cell production of a fed batch bioreactor. The filter system cycles bioreactor fluid through a hollow fiber tangential flow filter which separates metabolic wastes (as well as proteins) from cells produced in bioreactor and returned to fed batch bioreactor, improving cell production in the fed batch bioreactor. The filter system includes a disposable pump and filter, and a reusable control system. The pump is a low shear gamma stable pump gently cycling bioreactor fluid through the filter with minimal damage to the cells produced in the bioreactor. The pumphead and hollow fiber tangential flow filter are disposable. The pump motor is part of the control system and is reusable. The pumphead and filter are provided as an assembled and pre-sterilized unit allowing simple and quick attachment to the fed batch bioreactor, and simple and quick disposal.
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公开(公告)号：US20220290093A1
公开(公告)日：2022-09-15
申请号：US17828353
申请日：2022-05-31
申请人： REPLIGEN CORPORATION
发明人： David Serway
摘要： A method for promoting biological activity uses a filter system to increase cell production of a fed batch bioreactor. The filter system cycles bioreactor fluid through a hollow fiber tangential flow filter which separates metabolic wastes (as well as proteins) from cells produced in bioreactor and returned to fed batch bioreactor, improving cell production in the fed batch bioreactor. The filter system includes a disposable pump and filter, and a reusable control system. The pump is a low shear gamma stable pump gently cycling bioreactor fluid through the filter with minimal damage to the cells produced in the bioreactor. The pumphead and hollow fiber tangential flow filter are disposable. The pump motor is part of the control system and is reusable. The pumphead and filter are provided as an assembled and pre-sterilized unit allowing simple and quick attachment to the fed batch bioreactor, and simple and quick disposal.
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3.发明申请公开(公告)号：US20200325437A1
公开(公告)日：2020-10-15
申请号：US16912859
申请日：2020-06-26
申请人： REPLIGEN CORPORATION
发明人： David Serway
摘要： A method for promoting biological activity uses a filter system to increase cell production of a fed batch bioreactor. The filter system cycles bioreactor fluid through a hollow fiber tangential flow filter which separates metabolic wastes (as well as proteins) from cells produced in bioreactor and returned to fed batch bioreactor, improving cell production in the fed batch bioreactor. The filter system includes a disposable pump and filter, and a reusable control system. The pump is a low shear gamma stable pump gently cycling bioreactor fluid through the filter with minimal damage to the cells produced in the bioreactor. The pumphead and hollow fiber tangential flow filter are disposable. The pump motor is part of the control system and is reusable. The pumphead and filter are provided as an assembled and pre-sterilized unit allowing simple and quick attachment to the fed batch bioreactor, and simple and quick disposal.
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