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:
May. 29, 2018
Filed:
Mar. 24, 2015
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Hyun Joo Jung, Seoul, KR;
Yong Won Jeong, Seoul, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/52 (2006.01); G01N 31/22 (2006.01); G01N 21/78 (2006.01); G01N 33/50 (2006.01); G01N 21/84 (2006.01); G01N 21/80 (2006.01); G01N 21/77 (2006.01); F25D 17/04 (2006.01);
U.S. Cl.
CPC ...
G01N 21/783 (2013.01); G01N 31/221 (2013.01); F25D 17/042 (2013.01); F25D 2700/00 (2013.01); G01N 21/80 (2013.01); G01N 2021/773 (2013.01); G01N 2021/7763 (2013.01);
Abstract
A gas sensor configured to be discolored in response to a pH change upon reaction with a target gas, a refrigerator including the gas sensor, and a method of controlling the refrigerator includes a hydrogel support discolored through reaction with the target gas, and the hydrogel support includes dye provided to be discolored in response to a pH change upon reaction with the target gas.