US Patent Issued to WANHUA Chemical Group on Sept. 1 for "Aliphatic polyisocyanate composition, preparation method therefor, and coating composition" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,723,126, issued on Sept. 1, was assigned to WANHUA Chemical Group Co. LTD. (Shandong, China).

"Aliphatic polyisocyanate composition, preparation method therefor, and coating composition" was invented by Lidong Sun (Shandong, China), Shuchang Sun (Shandong, China), Yonghua Shang (Shandong, China), Hao Hu (Shandong, China), Haotian Zhang (Shandong, China), Bin Shi (Shandong, China), Peimeng Shi (Shandong, China) and Wei Liu (Shandong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is an aliphatic polyisocyanate composition, wherein the molar ratio of an iminooxadiazinedione structure to an isocyanurate structure is 0.01-0.8:1, and the mola...