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:
Nov. 24, 2020
Filed:
Feb. 16, 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);
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 chemochromic pigment, with modifications towards enhancing shelf-life performance and false detection performance before use. The gas detection layer has an adhesion of greater than or equal to 0.2 N/25 mm. Also described are methods of making the aforedescribed element to attain enhanced shelf-life performance and false detection performance.