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. 12, 2022
Filed:
Jul. 29, 2017
Applicant:
Simon Fraser University, Burnaby, CA;
Inventors:
Steven Holdcroft, Pitt Meadows, CA;
Jiantao Fan, Burnaby, CA;
Andrew Wright, Mountain View, CA (US);
Benjamin Britton, Vancouver, CA;
Thomas Weissbach, Burnaby, CA;
Timothy James Peckham, Vancouver, CA;
Jonathan William Ward, Burnaby, CA;
Assignee:
Simon Fraser University, Burnaby, CA;
Primary Examiner:
Int. Cl.
CPC ...
C07D 233/64 (2006.01); A61P 31/00 (2006.01);
U.S. Cl.
CPC ...
C07D 233/64 (2013.01); A61P 31/00 (2018.01);
Abstract
Provided herein are imidazolium polymers having steric hindrance at the 4-position of the imidazole moieties in the polymeric chain. The sterically-protected, N-methylated imidazolium polymers exhibit hydroxide stability in concentrated caustic solutions at elevated temperatures, such as at 100° C. and higher.