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US 2023/0397602 A1Published application
Cell cryopreservation hollow fiber membrane
AssigneeToyobo Co., Ltd.
InventorsTakatsugu TAJIMA, Yoshinori TAKII
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Abstract
In a cell cryopreservation hollow fiber membrane made of a cellulose ester, a decrease in strength during the use for cell cryopreservation is suppressed. A cell cryopreservation hollow fiber membrane, comprising a cellulose ester, wherein the breaking strength in thawing the cell cryopreservation hollow fiber membrane after freezing by vitrification freezing is 80% or more of the breaking strength during wetting before the freezing.
Claims6
A cell cryopreservation hollow fiber membrane, comprising a cellulose ester,
- wherein breaking strength in thawing the cell cryopreservation hollow fiber membrane after freezing by vitrification freezing is 80% or more of breaking strength during wetting before the freezing.
Dependencies are inferred from the claim text.