公开(公告)号：US20210360915A1

公开(公告)日：2021-11-25

申请号：US16981373

申请日：2019-03-15

Applicant: UNIVERSITY OF WARWICK

Inventor： Matthew GIBSON ,  Muhammad HASSAN ,  Alice FAYTER

IPC: A01N1/02

Abstract: The present invention relates to cryopreserving compositions which are suitable for the cryopreservation of biological materials, e.g. cells and proteins. The cryopreserving compositions comprise specified concentrations of polyvinyl alcohol (PVA) and poly-ethylene glycol (PEG). The invention also relates to process for producing cryopreserved biological materials.

公开(公告)号：US20210007349A1

公开(公告)日：2021-01-14

申请号：US16981421

申请日：2019-03-15

Applicant: UNIVERSITY OF WARWICK

Inventor： Matthew GIBSON ,  Christopher STUBBS ,  Trisha BAILEY

IPC: A01N1/02

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.