ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,029, issued on Jan. 28, was assigned to Climate Solutions ApS (Charlottenlund, Denmark).
"Permanent storage of carbon dioxide" was invented by Erik Trampe (Charlottenlund, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a method for fast and cost-efficient preparation of ikaite crystals. The method comprises contacting an alkaline aqueous solution, which comprises carbonate and bicarbonate ions, with a water solution, which comprises Ca2+, at a temperature not exceeding 15deg C., wherein contact between the alkaline aqueous solution and the water solution takes place at a permeable or porous surface, through which either solution...