ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,363, issued on Dec. 30, was assigned to The Procter & Gamble Co. (Cincinnati).
"Method to remove chemical contaminants" was invented by Fabrizio Meli (Montgomery, Ohio) and William Michael Scheper (Guilford, Ind.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of removing chemical contaminants from a composition comprising an active, a solvent, and a contaminant can include providing an initial feed supply, wherein the initial feed supply comprises the active, the solvent, and the contaminant, wherein the contaminant can include 1,4 dioxane, dimethyl dioxane, or a combination thereof; including filtering the initial feed stock through a nano...