ALEXANDRIA, Va., July 16 -- United States Patent no. 12,357,009, issued on July 15, was assigned to Tropicana Products Inc. (Bradenton, Fla.).

"Methods for inhibiting material mixing in a material processing system" was invented by Gerald Olean Fountain (Wilmette, Ill.), Johnny Casasnovas (Barrington, Ill.), Teodoro Rivera (Algonquin, Ill.) and John Bovastro (Barrington, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is described for minimizing material mixing of a first fluid material and a second fluid material in a material processing system that includes a pipeline. The method includes introducing into an upstream portion of the pipeline a sufficient amount of a material mixing inhibitor us...