US Patent Issued to SK PUCORE, WOORI FINE CHEM on Dec. 23 for "Diamine composition, and method of preparing diisocyanate composition" (South Korean Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,503,427, issued on Dec. 23, was assigned to SK PUCORE Co. LTD (Ulsan, South Korea) and WOORI FINE CHEM Co. LTD. (Gyeonggi-do, South Korea).

"Diamine composition, and method of preparing diisocyanate composition" was invented by Jaeyoung Pai (Gyeonggi-do, South Korea), Jeongmoo Kim (Gyeonggi-do, South Korea), Hyuk Hee Han (Gyeonggi-do, South Korea), Jung Hwan Myung (Gyeonggi-do, South Korea), Jooyoung Jung (Gyeonggi-do, South Korea) and Myung-Ok Kyun (Gyeonggi-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The diamine composition according to an embodiment of the present invention comprises a benzylmonoamine having a methyl group in an am...