Cryopreserving processes
    1.
    发明授权

    公开(公告)号:US11998002B2

    公开(公告)日:2024-06-04

    申请号:US16981421

    申请日:2019-03-15

    CPC classification number: A01N1/0221

    Abstract: The present invention relates to processes for producing compositions for the cryopreservation of biological materials, e.g. cells and proteins. The compositions comprise a polyampholyte polymer. The invention also provides certain cryopreserving compositions comprising the polyampholyte polymer.

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