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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 12544740 B1

PDFFull Text
Date of Patent:
Feb. 10, 2026

Filed:

Jan. 24, 2023

Photocatalyst, catalyst filter, catalyst module, and air purification system including the same

Applicant:

Samsung Electronics Co., Ltd., Suwon-si, KR;

Inventors:

Minseok Koo, Suwon-si, KR;

Hyukjae Kwon, Suwon-si, KR;

Dongsik Yang, Suwon-si, KR;

Hyun Chul Lee, Suwon-si, KR;

Jongmin Lee, Suwon-si, KR;

Sangmin Ji, Suwon-si, KR;

Assignee:

SAMSUNG ELECTRONICS CO., LTD., Gyeonggi-Do, KR;

Attorney:

CANTOR COLBURN LLP

Primary Examiner:

Monzer R Chorbaji

Int. Cl.
CPC ...
A62B 7/08 (2006.01); B01D 53/00 (2006.01); B01D 53/86 (2006.01); B01D 53/88 (2006.01); B01J 19/08 (2006.01); B01J 21/06 (2006.01); B01J 23/72 (2006.01); B01J 35/23 (2024.01); B01J 35/39 (2024.01); B01J 35/50 (2024.01); B01J 35/56 (2024.01); B01J 35/61 (2024.01);
U.S. Cl.
CPC ...
B01J 23/72 (2013.01); B01D 53/007 (2013.01); B01D 53/8668 (2013.01); B01D 53/885 (2013.01); B01J 21/063 (2013.01); B01J 35/23 (2024.01); B01J 35/39 (2024.01); B01J 35/50 (2024.01); B01J 35/56 (2024.01); B01J 35/613 (2024.01); B01J 35/615 (2024.01); B01J 35/617 (2024.01); B01D 2255/20707 (2013.01); B01D 2255/20761 (2013.01); B01D 2255/802 (2013.01); B01D 2257/708 (2013.01); B01D 2259/804 (2013.01);
Abstract

A photocatalyst including a first metal oxide; and a second metal oxide, wherein the first metal oxide is disposed on a surface of the second metal oxide, and wherein absorbance of the photocatalyst in a wavelength region of about 200 nanometers (nm) to about 600 nm is about 5% to about 50% greater than an absorbance of TiOin the wavelength region of about 200 nm to about 600 nm.

Find Patent Forward Citations

Koo, Minseok. (2026). Photocatalyst, catalyst filter, catalyst module, and air purification system including the same (U.S. Patent No. 12544740). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12544740

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

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