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. 14, 2020
Filed:
Jul. 01, 2016
3m Innovative Properties Company, St. Paul, MN (US);
Michael A. Yandrasits, Hastings, MN (US);
David S. Seitz, Woodbury, MN (US);
Eric F. Funkenbusch, Hudson, WI (US);
Ryan C. Shirk, Mendota Heights, MN (US);
Jinsheng Zhou, Woodbury, MN (US);
Eric J. Hanson, Hudson, WI (US);
Moses M. David, Woodbury, MN (US);
Kazuhiko Mizuno, Tokyo, JP;
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A separation membrane for selectively separating (e.g., pervaporating) a first fluid (e.g., a first liquid) from a mixture comprising the first fluid (e.g., first liquid) and a second fluid (e.g., second liquid), wherein the separation membrane includes a polymeric ionomer that has a highly fluorinated backbone and recurring pendant groups according to the following formula (Formula I): —O—R—[—SO—N(Z+)—SO—R—]—[SO]-Q wherein: Ris a perfluorinated organic linking group; R is an organic linking group; Zis H, a monovalent cation, or a multivalent cation; Q is H, F, —NH, —NH, —OY, or —CF+1; Yis H, a monovalent cation, or a multivalent cation; x=1 to 4; m=0 to 6; and n=0 or 1; with the proviso that at least one of morn must be non-zero.