ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,440,480, issued on Oct. 14, was assigned to SUZHOU RAYMON PHARMACEUTICALS COMPANY LTD. (China).
"Use of naphthylurea compound" was invented by Fei Zhang (Suzhou, China), Sen Wang (Suzhou, China) and Yanhong Zhang (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides use of substance A in the preparation of a medicament. The substance A is a naphthylurea compound as shown in formula I, a pharmaceutically acceptable salt thereof, a solvate thereof, a solvate of the pharmaceutically acceptable salt thereof, a crystal form thereof or a tautomer thereof, and the medicament is a medicament for treating a corneal neovascu...