US Patent Issued to Chongqing University of Arts and Sciences on Oct. 6 for "Preparation method and chiral sieving application of novel 12-crown-4 covalent organic frameworks" (Chinese Inventor)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,753,169, issued on Oct. 6, was assigned to Chongqing University of Arts and Sciences (Chongqing, China).

"Preparation method and chiral sieving application of novel 12-crown-4 covalent organic frameworks" was invented by Yuanzhe Tang (Chongqing, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A synthesis method for a novel covalent organic framework with a 12-crown-4 group based on chiral sieving is provided, and the novel covalent organic framework with the 12-crown-4 group is prepared, and the CCOF-HTOD-1 can be used as a fluorescent probe to achieve chiral sieving of different chiral drugs (L-PGL, D-PGL, L-PAL, D-TPL, L-TPL and D-TPL). The CCOF-H...