US Patent Issued to SIKA TECHNOLOGY on Sept. 8 for "Polymer fibers for concrete reinforcement" (Tennessee, Alabama, New Jersey Inventors)

ALEXANDRIA, Va., Sept. 8 -- United States Patent no. 12,729,294, issued on Sept. 8, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).

"Polymer fibers for concrete reinforcement" was invented by Fabian Frei (Weehawken, N.J.), William Durall (Northport, Ala.) and Carl Labbe (Chattanooga, Tenn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A macro-synthetic fiber includes three or more partially fused filaments made of a polymer composition including at least one polypropylene, wherein the fiber has a multi-lobal cross-sectional shape with three or more lobes. A method produces macro-synthetic fibers, a cementitious material includes a binder and macro-synthetic fibers, and a method for forming a concret...