ALEXANDRIA, Va., June 16 -- United States Patent no. 12,304,839, issued on May 20, was assigned to Pentair Residential Filtration LLC (Brookfield, Wis.).
"System and method for remineralizing a fluid" was invented by Sarah Farley (Minnetonka, Minn.), Robert Orvin Crowder (Lino Lakes, Minn.) and Mohan R. Khadilkar (Plymouth, Minn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A composition capable of setting to produce a cementitious material for use in remineralizing a fluid is provided. The composition includes a first magnesium-containing compound, a second magnesium-containing compound, and water present in the composition in an amount sufficient such that the composition sets to a cementitious material....