ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,940, issued on Nov. 4, was assigned to Streamline Innovations Inc. (San Antonio).

"Co-current and countercurrent contactor for immiscible fluids" was invented by Peter J. Photos (Boerne, Texas), Franklin Hailey Brown II (San Antonio), John Bourdon (Peculiar, Mo.) and Trey Taylor (Belton, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-directional contactor apparatus configured to utilize co-current and counter current flow to contact a first fluid and a second fluid, wherein the second fluid is more dense than the first fluid. The contactor comprises a chamber partially divided by a vertically extending weir, a first inlet port permittin...