The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 29, 2024
Filed:
May. 19, 2022
Saraya Co., Ltd., Osaka, JP;
Osaka University, Suita, JP;
Asuka Nogami, Kashiwara, JP;
Motoki Tatsumi, Kashiwara, JP;
Nanase Ishii, Kashiwara, JP;
Mizuyuki Ryu, Kashiwara, JP;
Yoshihiko Hirata, Kashiwara, JP;
Yoshiki Sawa, Suita, JP;
Shigeru Miyagawa, Suita, JP;
Atsuhiro Saito, Suita, JP;
Hirotatsu Ohkawara, Suita, JP;
SARAYA CO., LTD., Osaka, JP;
OSAKA UNIVERSITY, Osaka, JP;
Abstract
A cell cryopreservation method including adding a 1 volume % of a composition comprising 0.01 wt % to 20 wt % of a sophorose lipid to cells in a cell culture medium just before or up to 6 hours before cryopreserving the cells; and cryopreserving the cell culture medium, wherein the composition improves cell viability after cryopreservation compared to cells that are cryopreserved with a similar composition that does not contain the sophorose lipid.