US Patent Issued to HEESUNG CATALYSTS on April 22 for "Method for coating exhaust gas purification catalyst filter with fixed amount of catalyst slurry" (South Korean Inventors)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,280,366, issued on April 22, was assigned to HEESUNG CATALYSTS Corp. (Gyeonggi-do, South Korea).

"Method for coating exhaust gas purification catalyst filter with fixed amount of catalyst slurry" was invented by Byung-suk Kim (Seoul, South Korea), Sang-yun Han (Gyeonggi-do, South Korea) and Seung Chul Na (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Described is a method of coating the inside of an exhaust gas purification catalyst filter with a predetermined amount of catalyst slurry while adjusting the distribution of catalyst components in or on a cell wall of the filter. A predetermined amount of catalyst slurry can be injected i...