ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,735,356, issued on Sept. 15, was assigned to Worcester Polytechnic Institute (Worcester, Mass.).
"Chemical analogs of carbonic anhydrase for concrete repair" was invented by Suzanne F. Scarlata (Worcester, Mass.), Ronald L. Grimm (Worcester, Mass.), Nima Rahbar (Weston, Mass.) and Rebecca Gilchrist (Worcester, Mass.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and compositions are described for concrete repair using a non-naturally occurring or a synthetic catalyst. The catalyst includes an aromatic hydrocarbon having an active zinc ion configured to facilitate interaction between carbon dioxide and water and to precipitate concrete repairing...