ALEXANDRIA, Va., June 16 -- United States Patent no. 12,305,130, issued on May 20, was assigned to Ecolab USA Inc. (St. Paul, Minn.).

"Asphaltene and paraffin dispersant compositions and uses thereof" was invented by Ashish Dhawan (Aurora, Ill.) and Regan Andrew Jones (Sugar Land, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to methods and compositions for reducing fouling by natural and synthetic foulants that tend to precipitate during hydrocarbon collecting, processing, transporting, and storing. The method includes applying a composition to a hydrocarbon containing the foulant. The composition includes an effective amount of a reaction product of an Alpha-olefin/mal...