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.

Date of Patent:
Dec. 28, 2021

Filed:

Nov. 13, 2018
Applicant:

Sumitomo Metal Mining Co., Ltd., Tokyo, JP;

Inventors:

Hirofumi Tsunematsu, Isa, JP;

Takeshi Chonan, Isa, JP;

Hideaki Fukuyama, Isa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C 3/08 (2006.01); C08K 3/22 (2006.01); C08K 9/04 (2006.01); C09C 1/00 (2006.01); G02B 5/00 (2006.01); G02B 5/24 (2006.01);
U.S. Cl.
CPC ...
C09C 3/08 (2013.01); C08K 3/22 (2013.01); C08K 9/04 (2013.01); C09C 1/00 (2013.01); G02B 5/003 (2013.01); G02B 5/24 (2013.01); C01P 2002/76 (2013.01); C01P 2004/04 (2013.01); C08K 2003/2258 (2013.01);
Abstract

Surface-treated infrared-absorbing fine particles with excellent moisture and heat resistance and excellent infrared-absorbing properties, surface-treated infrared absorbing fine particle powder containing the surface-treated infrared absorbing fine particles, an infrared absorbing fine particle dispersion liquid and an infrared absorbing fine particle dispersion body using the surface-treated infrared absorbing fine particles, and a method for producing them, wherein a surface of infrared absorbing particles is coated with a coating layer containing at least one selected from hydrolysis product of a metal chelate compound, polymer of hydrolysis product of a metal chelate compound, hydrolysis product of a metal cyclic oligomer compound, and polymer of hydrolysis product of a metal cyclic oligomer compound.


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