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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 12765557 B1

PDFFull Text
Date of Patent:
Oct. 20, 2026

Filed:

Sep. 28, 2022

Cerium oxide nanoparticle, dispersion solution, antiviral agent, antibacterial agent, resin composition, resin product, fiber material, fiber product, and method of producing cerium oxide nanoparticle

Applicant:

Toray Industries, Inc., Tokyo, JP;

Inventors:

Shota Sekiguchi, Kamakura, JP;

Takahiro Motoshiromizu, Kamakura, JP;

Yoichiro Koshi, Kamakura, JP;

Masateru Ito, Kamakura, JP;

Akira Saito, Ichihara, JP;

Yetao Song, Nagoya, JP;

Hideaki Karasaki, Otsu, JP;

Yoshiaki Kokubo, Otsu, JP;

Assignee:

Toray Industries, Inc., Tokyo, JP;

Attorney:

DLA Piper LLP (US)

Primary Examiner:

Robert A Wax

Assistant Examiner:

Quanglong N Truong

Int. Cl.
CPC ...
A01N 59/16 (2006.01); A01N 25/04 (2006.01); A01N 25/22 (2006.01); B82Y 40/00 (2011.01); C01F 17/235 (2020.01); C08K 3/22 (2006.01); D06M 11/47 (2006.01);
U.S. Cl.
CPC ...
A01N 59/16 (2013.01); A01N 25/04 (2013.01); A01N 25/22 (2013.01); C01F 17/235 (2020.01); C08K 3/22 (2013.01); D06M 11/47 (2013.01); B82Y 40/00 (2013.01); C01P 2002/72 (2013.01); C01P 2004/64 (2013.01); C08K 2003/2213 (2013.01); C08K 2201/002 (2013.01); C08K 2201/005 (2013.01); C08K 2201/011 (2013.01);
Abstract

A cerium oxide nanoparticle includes a basic amino acid, an alicyclic amine, an aromatic heterocyclic compound containing a nitrogen atom in a ring structure of the aromatic heterocyclic compound, a polymer having a heterocyclic amine skeleton, or a boron compound, as a stabilizer, wherein an APHA of a 1 mass % dispersion solution is 400 or less.

Find Patent Forward Citations

Sekiguchi, Shota. (2026). Cerium oxide nanoparticle, dispersion solution, antiviral agent, antibacterial agent, resin composition, resin product, fiber material, fiber product, and method of producing cerium oxide nanoparticle (U.S. Patent No. 12765557). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12765557

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

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