ALEXANDRIA, Va., July 23 -- United States Patent no. 12,365,834, issued on July 22, was assigned to Sharp K.K. (Sakai, Japan).
"Method of substituting ligands" was invented by Yuma Yaguchi (Sakai, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "First ligands coordinated to nanoparticles are replaced by monodentate second ligands that, when coordinated to the nanoparticles, render the nanoparticles non-dispersible in a solvent, and the nanoparticles to which the second ligands are coordinated are separated out as a first solid content by solid-liquid separation. Thereafter, the second ligands are replaced by desirable target ligands by adding, to the first solid content, a second ligand solution containi...