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:
Sep. 30, 2014
Filed:
Nov. 16, 2012
Max-planck-gesellschaft Zur Forderung Der Wissenschaften E V., Munich, DE;
Michael Schuster, Friedrichsthal, DE;
Klaus-Dieter Kreuer, Boblingen, DE;
Henrik Thalbitzer Andersen, Copenhagen, DK;
Joachim Maier, Wiernsheim, DE;
Abstract
A copolymer containing, in addition to recurring elements of a sulfonated poly(arylene) containing exclusively recurring structural element(s) of the general formulas —[—Ar(SOM)-X—]— and —[—Ar(SOM)-Y—]—, wherein X and Y, which are identical or different from each other, each represent an electron-acceptor group, Arand Ar, which are either identical or different from each other, represent an aromatic or heteroaromatic ring system with 5-18 ring atoms; wherein the aromatic or heteroaromatic ring system, in addition to the SOM and the substituents X and Y, optionally comprises additional substituents which are not electron-donor groups; M represents monovalent cation and n is an integral number between 1 and 4; and wherein X, Y, Ar, Ar, M and n can be identical or different in various structural elements, independently of each other, one or several additional elements of at least one additional monomer or macromonomer.