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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.:

US 12392739 B1

PDFFull Text
Date of Patent:
Aug. 19, 2025

Filed:

Jan. 11, 2022

Rare earth oxysulfide cold storage medium

Applicant:

Konoshima Chemical Co., Ltd., Osaka, JP;

Inventors:

Takagimi Yanagitani, Mitoyo, JP;

Hoshiteru Nozawa, Mitoyo, JP;

Assignee:

Konoshima Chemical Co., Ltd., Osaka, JP;

Attorney:

Knobbe, Martens, Olson & Bear, LLP

Primary Examiner:

David J Makiya

Assistant Examiner:

Soorena undefined Kefayati

Int. Cl.
CPC ...
G01N 23/2055 (2018.01); C01F 17/294 (2020.01); C04B 35/50 (2006.01); C09K 5/14 (2006.01); F25B 9/14 (2006.01);
U.S. Cl.
CPC ...
G01N 23/2055 (2013.01); C01F 17/294 (2020.01); C04B 35/50 (2013.01); C04B 2235/3217 (2013.01); C04B 2235/446 (2013.01); C04B 2235/9607 (2013.01); C09K 5/14 (2013.01); F25B 9/14 (2013.01); F25B 2309/003 (2013.01); G01N 2223/0566 (2013.01);
Abstract

A cold storage material having a large thermal capacity in a ultra-low temperature range of 10 K or less and being highly durable against thermal shock and mechanical vibration. The cold storage material contains a rare earth oxysulfide ceramic represented by the general formula ROS in which R is one or more kinds of rare earth elements selected from La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Y, and AlOhaving a specific surface area of 0.3 m/g to 11 m/g is added to the cold storage material.

Find Patent Forward Citations

Yanagitani, Takagimi. (2025). Rare earth oxysulfide cold storage medium (U.S. Patent No. 12392739). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12392739

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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