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:
Aug. 31, 2021
Filed:
Aug. 20, 2019
Applicant:
Ada Foundation, Chicago, IL (US);
Inventors:
Jirun Sun, Rockville, MD (US);
Nicole Ritzert, Gaithersburg, MD (US);
Xiaohong Wang, North Potomac, MD (US);
Assignee:
ADA Foundation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 213/76 (2006.01); G01N 33/543 (2006.01); H01B 1/12 (2006.01);
U.S. Cl.
CPC ...
C07D 213/76 (2013.01); G01N 33/5438 (2013.01); H01B 1/128 (2013.01);
Abstract
A multi-functional, stimuli-responsive material includes a substrate functionalized with a pH-sensitive Azo-QPS compound or co-assemblies containing Azo-QPS compounds. The Azo-QPS compound includes a positively-charged phenyl-azo-pyridinium core, an anion affiliated with the core, a head group, a tail group, a surface bonding group coupling the pH-sensitive Azo-QPS compound to the substrate, and a spacer connecting the pH-sensitive Azo-QPS compound to the surface bonding group.