ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,410,548, issued on Sept. 9, was assigned to The Procter & Gamble Co. (Cincinnati).

"Method and system for reducing auto-dosing fluctuation of an automatic cleaning machine" was invented by Ming Tang (Beijing) and Xiaolin Yang (Beijing).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for reducing auto-dosing fluctuation of a washing machine equipped with an automatic dosing device, by using a liquid detergent with a relatively low high-shear viscosity. A cleaning system including a washing machine equipped with an auto-dosing device, in combination with a liquid detergent characterized by a relative low high-shear viscosity."

The patent was file...