ALEXANDRIA, Va., June 5 -- United States Patent no. 12,278,372, issued on April 15, was assigned to Croda International Plc (East Yorkshire, Great Britain).
"Dispersant" was invented by Louise Maria Bell McCulloch (Goole, Great Britain), Joshua Michael Moore (Goole, Great Britain) and Michael Andrew Oakley (Goole, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to dispersants comprising a polyester derived from a plurality of poly(carbonylalkyleneoxy) chains (and optionally a fatty acid) and an amine, wherein said dispersants have an acid value of less than 15 mgKOH/g. The dispersants as described herein provide desirable viscosity profiles when in use. More especia...