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:
Nov. 25, 2025
Filed:
Feb. 07, 2022
Mitsui Chemicals, Inc., Tokyo, JP;
Yusuke Shimizu, Ichihara, JP;
MITSUI CHEMICALS, INC., Tokyo, JP;
Abstract
A non-aqueous electrolyte solution contains a chain sulfone compound (I) represented by Formula (I) and a cyclic sulfone compound (II) represented by Formula (II). The content of the chain sulfone compound (I) is from 0.01% by mass to 10% by mass with respect to the total amount of the non-aqueous electrolyte solution. In Formula (I), each of Rand Rindependently represents an alkyl group, or a fluorinated alkyl group. In Formula (II), Rrepresents an alkylene group, an alkenylene group, or a group represented by Formula (ii-1); and * represents a binding site; in which in Formula (ii-1), Rrepresents a hydrogen atom, an alkyl group, or a group represented by Formula (ii-2); and Rrepresents an alkyl group, or a group represented by Formula (ii-2).