ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,861, issued on Nov. 11, was assigned to The Procter & Gamble Co. (Cincinnati).

"Method of quantifying the removal of hydrocarbon component from a soiled fabric by a washing process" was invented by Andrew Beeby (Newcastle upon Tyne, Great Britain), Anju Deepali Massey Brooker (Newcastle upon Tyne, Great Britain), Joseph Copsey (Newcastle upon Tyne, Great Britain), Matthew Alexander Leivers (Durham, Great Britain), Andrei Markin (Bristol, Great Britain) and Andrew Philip Moon (Newcastle upon Tyne, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of quantifying the removal of hydrocarbon component from a soiled fabric by a washing...