ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,465,066, issued on Nov. 11, was assigned to Donaldson Co. Inc. (Bloomington, Minn.).
"System and method for filtering beverages" was invented by Matthew R. Otterstatter (Eagan, Minn.) and Prashant V. Shrikhande (Eden Prairie, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for preparing a filtered beverage includes filtering a raw beverage using a cross-flow ultrafiltration device to produce a solids fraction and a liquid fraction; heating the solids fraction to a temperature of 60deg C. or greater to produce a pasteurized solids fraction; microfiltering the liquid fraction through a microfilter having a size cut-off of 1 micro metre or sm...