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:
Mar. 24, 2026
Filed:
Sep. 28, 2020
Posco, Pohang-si, KR;
Research Institute of Industrial Science & Technology, Pohang-si, KR;
Seoul National University R&db Foundation, Seoul, KR;
Joon-Woo Kim, Gwangyang-si, KR;
Dong-Jun Koh, Pohang-si, KR;
Young-Chul Byun, Gwangyang-si, KR;
Do-Heui Kim, Seoul, KR;
Jong-Tae Lim, Gwangyang-si, KR;
In-Hak Song, Gwangmyeong-si, KR;
Hwang-Ho Lee, Seoul, KR;
Se-Won Jeon, Seoul, KR;
POSCO HOLDINGS INC, Seoul, KR;
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si, KR;
SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION, Seoul, KR;
Abstract
Provided is an SCR catalyst for removing nitrogen oxides (NO) from exhaust gas, comprising: 0.01-70 wt % of zeolite having an average pore size of 5 Å or more; 25-90 wt % of titanium dioxide (TiO); and 4-10 wt % of vanadium pentoxide (VO). The SCR catalyst according to the present invention exhibits denitrification performance in a low-temperature area that is superior to that of a conventional SCR catalyst, has improved tolerance for a sulfur compound, and also has an excellent regeneration rate.