ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,411, issued on Dec. 30, was assigned to HANWHA SOLUTIONS Corp. (Seoul, South Korea).

"Cyclododecanone and preparation method therefor" was invented by Jiyeon Kim (Daejeon, South Korea), Hyun Seo (Daejeon, South Korea) and Namjin Jang (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to cyclododecanone and a preparation method therefor. According to the present invention, a cyclododecanone preparation method capable of achieving a high conversion rate and minimizing unreacted materials and the production of reaction byproducts can be provided. In addition, the present invention implements a high conver...