ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,006, issued on March 24, was assigned to Ecolab USA Inc. (St. Paul, Minn.).
"Blends of ethylene vinyl acetate copolymer and alpha olefin maleic anhydride copolymer as heavy pour point depressants" was invented by Alexander Coleman Pearson (Missouri City, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition is provided that includes about 2 wt. % to about 25 wt. % of a copolymer including ethylene and vinyl acetate; about 2 wt. % to about 20 wt. % of a copolymer including an Alpha-olefin and maleic anhydride; and about 55 wt. % to about 96 wt. % of a solvent. The composition can be used to decrease the pour point of a hydrocarbon, such...