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:
Dec. 02, 2025
Filed:
May. 08, 2020
Japan Science and Technology Agency, Kawaguchi, JP;
Kosuke Kuroda, Kanazawa, JP;
Eishu Hirata, Kanazawa, JP;
NATIONAL UNIVERSITY CORPORATION KANAZAWA UNIVERSITY, Kanazawa, JP;
Abstract
An object of the present invention is to provide an agent for promoting undifferentiation that dissolves a drug, as DMSO or the like does, but is capable of promoting undifferentiation without inducing cell differentiation when added to a medium. The agent for promoting undifferentiation of the present invention has an aprotic zwitterion represented by the following formula (1) wherein A is an anion selected from the group consisting of SO, —COO, —OP═O(H)O, —OP═O(CH)Oand —OP═O(OR)O, Ris an alkyl group having 1 to 8 carbon atoms and optionally containing one or two oxygen atoms in the molecular chain, Ris an alkylene group having 3 to 5 carbon atoms, and Ris hydrogen or an alkyl group optionally having a heteroatom in the molecular chain.