US Patent Issued to Titan America on Nov. 25 for "Concrete composition suitable for 3-D printing and a method for 3-D printing of multiple layers of concrete" (North Carolina, Virginia, Florida Inventors)

ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,125, issued on Nov. 25, was assigned to Titan America LLC (Norfolk, Va.).

"Concrete composition suitable for 3-D printing and a method for 3-D printing of multiple layers of concrete" was invented by Eric Koehler (Raleigh, N.C.), SooDuck Hwang (St. Johns, Fla.) and George Pantazopoulos (Roanoke, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A concrete composition having an optimized formulation and suitable for 3-D printing is provided. The composition may include a hydraulic cement composition, aggregate, cement and/or aggregate by-product dust, one or more rheology modifiers, a plasticizer, fibers, and a sufficient amount of water to effect s...