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:
Apr. 26, 2022
Filed:
Dec. 27, 2018
Nissan Chemical Corporation, Tokyo, JP;
Taichi Nakazawa, Funabashi, JP;
Shoichi Kondo, Funabashi, JP;
NISSAN CHEMICAL CORPORATION, Tokyo, JP;
Abstract
This is to provide a non-halogen containing compound excellent in proton conductivity and capable of suitably being used for a polymer electrolytic fuel cell The compound of the present invention has a structure represented by the following general formula (I). (In the above-mentioned general formula (I), 'l' and 'n' are molar fractions when l+n=1.0, and 0≤l<1.0 and 0<n≤1.0, A represents a structure represented by the following general formula (II) or (III), B represents a structure represented by the following general formula (VII), the respective structural units are random copolymerized, and at least one benzene ring in the formula (I) has at least one sulfo group.) (In the above-mentioned general formula (II) or (III), Rto Rare each independently selected from hydrogen and an alkyl group having 1 to 3 carbon atoms, le and Rform together with the carbon atom, they are attached to, an aromatic ring or a fused aromatic ring and Rand Rform together with the carbon atom, they are attached to, an aromatic ring or a fused aromatic ring, or R, Rand Rare hydrogens and Ris a single bond and bonded to the carbon of “c”,