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:
Feb. 06, 2024
Filed:
Dec. 27, 2019
Kao Corporation, Tokyo, JP;
Yutaro Kinoshita, Wakayama, JP;
Akito Itoi, Wakayama, JP;
Atsushi Hiraishi, Wakayama, JP;
Takahiro Yano, Wakayama, JP;
Akihiro Koyama, Wakayama, JP;
KAO CORPORATION, Tokyo, JP;
Abstract
The present invention relates to a dispersant for a positive electrode of a power storage device. The dispersant is a copolymer that contains a constitutional unit A represented by the following general formula (1) and at least one constitutional unit B selected from the group consisting of a constitutional unit Brepresented by the following general formula (2) and a constitutional unit Brepresented by the following general formula (3). The total content of the constitutional unit A and the constitutional unit B in the copolymer is 80% by mass or more. The content of the constitutional unit A in all constitutional units of the copolymer is 35% by mass or more.