ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,435,275, issued on Oct. 7, was assigned to Lubrizol Advanced Materials Inc. (Cleveland).
"Aromatic amide dispersant" was invented by Andrew J. Shooter (Wilmslow, Great Britain), Conor Wilkinson (Manchester, Great Britain) and Shabana Rafiq (Manchester, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to a polymeric aromatic amide dispersant, and a composition containing a particulate solid, an aqueous or polar organic medium, and a polymeric aromatic amide dispersant having at least one tertiary amide linking group connecting through a carbonyl group of the amide to an aromatic ring having a residual carboxylic a...