ALEXANDRIA, Va., June 9 -- United States Patent no. 12,649,691, issued on June 9, was assigned to "ICL" INNOVATION CONCRETE LABORATORY KORLATOIT FELELSSEGU TARASASAG (Kecskemet, Hungary).

"Admixture composition for the production of lightweight concrete containing polystyrene beads, process for the preparation of the composition and its application" was invented by Arpad Turei (Kecskemet, Hungary), Laszlo Csordas (Felsolajos, Hungary), Ferenc Sipos (Szentes, Hungary) and Sandor Tarjan (Szegvar, Hungary).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an admixture composition for the production of lightweight concretes containing polystyrene beads, which comprises a mixture of o...