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:
Dec. 20, 2022
Filed:
Aug. 02, 2018
Applicant:
Nitto Denko Corporation, Osaka, JP;
Inventors:
Namiko Suzuki, Osaka, JP;
Hiroyuki Higuchi, Osaka, JP;
Koichi Nakamura, Osaka, JP;
Masaya Nishigawara, Osaka, JP;
Nahid Mohajeri, Merritt Island, FL (US);
Assignee:
Nitto Denko Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 21/78 (2006.01); G01N 33/00 (2006.01); G01N 31/22 (2006.01);
U.S. Cl.
CPC ...
G01N 21/783 (2013.01); G01N 31/223 (2013.01); G01N 33/005 (2013.01);
Abstract
A gas detection element for detection of a measurement target gas is provided. The gas detection element includes a gas detection layer including a chemochromic pigment; and a spacer. The spacer is permeable to the measurement target gas, is disposed on a first surface of the gas detection layer, and has an area smaller than an area of the gas detection layer.