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. 04, 2021
Filed:
Feb. 17, 2018
Applicant:
Nitto Denko Corporation, Osaka, JP;
Inventors:
Koichi Nakamura, Rockledge, FL (US);
Nahid Mohajeri, Rockledge, FL (US);
Yu-chu Chen, Evanston, IL (US);
Kujtim Bizati, Lakewood, NJ (US);
Shinji Inokuchi, Tinton Falls, NJ (US);
Namiko Suzuki, Osaka, JP;
Hiroyuki Higuchi, Osaka, JP;
Masahiko Hirose, Osaka, JP;
Masaya Nishigawara, Osaka, JP;
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/78 (2006.01); G01M 3/22 (2006.01); G01N 31/22 (2006.01); G01N 33/00 (2006.01); G01M 3/04 (2006.01);
U.S. Cl.
CPC ...
G01N 21/783 (2013.01); G01M 3/04 (2013.01); G01M 3/22 (2013.01); G01N 31/223 (2013.01); G01N 33/005 (2013.01); G01N 33/0027 (2013.01); G01N 33/0062 (2013.01);
Abstract
A gas sensing element includes a gas detection layer including a pigment, the gas detection layer including a first surface; and a backing material disposed on the first surface of the gas detection layer. When reducing gas causes the gas sensing element to change in color, a color change ΔL* of the gas sensing element is greater than or equal to 5.