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. 17, 2026
Filed:
Mar. 15, 2023
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Korea University Research and Business Foundation, Seoul, KR;
Chun Yong Kang, Gyeonggi-do, KR;
Eunhee Jang, Gyeonggi-do, KR;
Jungkyu Choi, Seoul, KR;
Jaehee Shim, Gyeonggi-do, KR;
Jin Seong Kim, Seoul, KR;
Hyundai Motor Company, Seoul, KR;
Kia Corporation, Seoul, KR;
Korea University Research and Business Foundation, Seoul, KR;
Abstract
Provided herein are a method for producing a hydrocarbon adsorption catalyst includes dealuminated zeolite by heat-treating a zeolite in moisture-containing air at a first temperature to remove a portion of aluminum included in the zeolite, and supporting a metal on a carrier including the zeolite after the heat-treating and a hydrocarbon adsorption catalyst prepared using the same method. The metal-supported support may be additionally heat-treated in moisture-containing air at a second temperature that is higher than the first temperature.