US Patent Issued to HANWHA SOLUTIONS on July 21 for "Apparatus and process for preparing polyamide" (South Korean Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,685,988, issued on July 21, was assigned to HANWHA SOLUTIONS Corp. (Seoul, South Korea).

"Apparatus and process for preparing polyamide" was invented by Dokyoung Kim (Daejeon, South Korea), Do Hyun Seo (Daejeon, South Korea) and Jinseo Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an apparatus and a process for preparing a polyamide. Specifically, the present invention relates to an apparatus and a process for preparing a polyamide that enhances the degree of fixation of a diamine during the polycondensation of a diamine and a dicarboxylic acid. The apparatus and process for preparing a polyami...