ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,756, issued on June 30, was assigned to The Lubrizol Corp. (Wickcliff, Ohio).
"Gelling agent for calcium sulfonate greases" was invented by Devon K. McCune (Lyndhurst, Ohio), Gareth Fish (Munson Township, Ohio) and Robert Douglas Dura (Broadview Heights, Ohio).
According to the abstract* released by the U.S. Patent & Trademark Office: "A calcium sulfonate grease is formed from a base oil of lubricating viscosity, an oil-soluble overbased calcium sulfonate or precursors therefor, a conversion acid, water, and a gelling agent, which is selected from branched aliphatic diols with at least eight carbons, and mixtures thereof."
The patent was filed on Aug. 15, 2023, under Application...