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:
Feb. 01, 2022
Filed:
Apr. 02, 2020
Applicant:
Kookmin University Industry Academy Cooperation Foundation, Seoul, KR;
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/80 (2006.01); G01N 21/78 (2006.01); G01N 31/22 (2006.01); G01N 33/02 (2006.01);
U.S. Cl.
CPC ...
G01N 21/80 (2013.01); G01N 21/78 (2013.01); G01N 21/783 (2013.01); G01N 31/221 (2013.01); G01N 31/223 (2013.01); G01N 33/02 (2013.01); Y10T 436/175383 (2015.01); Y10T 436/204998 (2015.01);
Abstract
Disclosed herein are a hydrogel bead, a chemical sensor including the same, and an electronic product including the chemical sensor. The hydrogel bead includes at least one type of polysaccharide physically crosslinked with a cation or an anion, and a pH indicator dye.