US Patent Issued to SOOCHOW UNIVERSITY on April 21 for "Aniline acid anhydride, preparation method therefor, and polyamino acid-grafted chain" (Chinese Inventor)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,530, issued on April 21, was assigned to SOOCHOW UNIVERSITY (Suzhou, China).

"Aniline acid anhydride, preparation method therefor, and polyamino acid-grafted chain" was invented by Zhanxiong Li (Suzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed are an aniline anhydride, a preparation method therefor, and a polyaminoacid graft chain. In the presence of an acid binding agent, an addition-elimination reaction is carried out between N-phenyl amino acid and Boc anhydride to obtain N-phenyl-Boc-glycine; and under a nitrogen atmosphere, the N-phenyl-Boc-glycine is subject to cyclization to obtain the aniline anhydride. The polyaminoac...