US Patent Issued to HANWHA SOLUTIONS on April 21 for "Isomerization method of cyclohexane dicarboxylic acid" (South Korean Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,514, issued on April 21, was assigned to HANWHA SOLUTIONS Corp. (Seoul, South Korea).

"Isomerization method of cyclohexane dicarboxylic acid" was invented by Jong Kwon Lee (Daejeon, South Korea), Namjin Jang (Daejeon, South Korea), Eun Jeong Kim (Daejeon, South Korea) and Sun Uk Lee (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an isomerization method of a cyclohexane dicarboxylic acid (CHDA) and, more specifically, to a method for preparing a trans-cyclohexane dicarboxylic acid (t-CHDA) from a cis-cyclohexane dicarboxylic acid (c-CHDA) by means of catalytic isomerization.Particularly, an emb...