US 11,998,002 B2
Cryopreserving processes
Matthew Gibson, Coventry (GB); Christopher Stubbs, Coventry (GB); and Trisha Bailey, Coventry (GB)
Assigned to UNIVERSITY OF WARWICK, Coventry (GB)
Appl. No. 16/981,421
Filed by UNIVERSITY OF WARWICK, Coventry (GB)
PCT Filed Mar. 15, 2019, PCT No. PCT/GB2019/050730
§ 371(c)(1), (2) Date Sep. 16, 2020,
PCT Pub. No. WO2019/175596, PCT Pub. Date Sep. 19, 2019.
Claims priority of application No. 1804233 (GB), filed on Mar. 16, 2018.
Prior Publication US 2021/0007349 A1, Jan. 14, 2021
Int. Cl. A01N 1/02 (2006.01)
CPC A01N 1/0221 (2013.01) 13 Claims
 
1. A process for producing a cryopreserved composition comprising biological material, the process comprising the step:
(a) freezing biological material at a cryopreserving temperature in a cryopreserving composition comprising a compound of Formula I:

OG Complex Work Unit Chemistry
wherein n is 20-5000,
wherein the biological material is selected from the group consisting of cells, monolayers of cells and spheroids.