ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,415,787, issued on Sept. 16, was assigned to ECONIC TECHNOLOGIES LTD. (Macclesfield, Great Britain).
"Process for the production of tetraaminobiphenol macrocyclic ligands; and novel tetraaminobiphenol macrocyclic ligands" was invented by Michael Kember (Macclesfield, Great Britain), Anthony Chartoire (Macclesfield, Great Britain), Anthea Blackburn (Macclesfield, Great Britain) and Samuel Drane (Macclesfield, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A process for preparing a tetra-substituted aminobiphenol macrocyclic ligand having the structure (I), including the step of treating a precursor compound having the structure (II) with a...