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:
Jul. 08, 2025
Filed:
Aug. 27, 2019
Applicant:
Sumitomo Metal Mining Co., Ltd., Tokyo, JP;
Inventors:
Keiichi Sato, Isa, JP;
Kenji Fukuda, Isa, JP;
Yukihiro Koyama, Isa, JP;
Hiroki Nakayama, Isa, JP;
Hideaki Fukuyama, Isa, JP;
Assignee:
SUMITOMO METAL MINING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 41/02 (2006.01); G02B 5/20 (2006.01);
U.S. Cl.
CPC ...
C01G 41/02 (2013.01); C01P 2004/64 (2013.01); C01P 2006/40 (2013.01); C01P 2006/60 (2013.01); C01P 2006/80 (2013.01); G02B 5/208 (2013.01);
Abstract
An infrared absorbing material fine particle dispersion liquid including infrared absorbing material fine particles and a solvent, the infrared absorbing material fine particles containing fine particles of composite tungsten oxide represented by a general formula MxWOy, the solvent containing water, wherein an absolute value of a zeta potential of the infrared absorbing material fine particle dispersion liquid is 5 mV or more and 100 mV or less.