US Patent Issued to Cameron International on Feb. 24 for "Asphaltene inhibition and/or dispersion in petroleum fluids" (British, American Inventors)

ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,559,665, issued on Feb. 24, was assigned to Cameron International Corp. (Houston).

"Asphaltene inhibition and/or dispersion in petroleum fluids" was invented by Pradyumna Avinash Deshpande (Aberdeen, Great Britain) and Chandrashekhar Yeshwant Khandekar (Humble, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Compositions may include an asphaltene dispersant that is the product of a reaction between a polysaccharide having at least two sugar subunits and one or more fatty acid reagents, and a petroleum fluid produced from a subterranean formation and containing asphaltenes therein. The asphaltene dispersant may have a molecular weight of at least 40...