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;
Akito Itoi, Wakayama, JP;
Yutaro Kinoshita, 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 composition for carbon nanotubes, containing: a copolymer that includes a structural unit A represented by the following general formula (1) and a structural unit B represented by the following general formula (2); and a solvent, wherein the content of the structural unit B in all structural units of the copolymer is 20 mass % or more. In the following formulae, R, R, R, R, R, and Rare the same or different from each other and are each a hydrogen atom, a methyl group, or an ethyl group, Ris a hydrocarbon group having 16 to 30 carbon atoms, Ris a linear or branched alkylene group having 2 to 3 carbon atoms, Xis on oxygen atom or NH, Xis an oxygen atom, p is the number of 1 to 8, and Ris a hydrogen atom, a methyl group, or an ethyl group.