ALEXANDRIA, Va., July 14 -- United States Patent no. 12,680,289, issued on July 14, was assigned to SIKA TECHNOLOGY AG (Baar, Switzerland).
"Cementitious materials including a luminescent compound for printing 3-dimensional structures" was invented by Haripriya Nekkanti (Secaucus, N.J.) and Gary Boon (Fair Lawn, N.J.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for printing a luminescent 3-dimensional object. The method includes mixing a dry cementitious composition with water, the dry cementitious composition comprising a cementitious binder, conveying the mixture to a print head, applying the mixture and one or more luminescent compounds from the print head to form a luminescent 3-dim...