US Patent Issued to LG CHEM on March 31 for "Method for analyzing content of D-lactic repeating units in polylactic acid" (South Korean Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,914, issued on March 31, was assigned to LG CHEM Ltd. (Seoul, South Korea).

"Method for analyzing content of D-lactic repeating units in polylactic acid" was invented by Hyunchul Jung (Daejeon, South Korea), Jun Ho Yoon (Daejeon, South Korea), Wan Kyu Oh (Daejeon, South Korea) and Yujin An (Daejeon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for analyzing the content of D-lactic repeating units (D content) in polylactic acid that has a feature that the D content in polylactic acid can be quickly and accurately analyzed by using NMR data of polylactic acid and hypothetical polylactic acid without special chemical...