US Patent Issued to ARDEX Group on April 15 for "Method for the manufacture of hydraulic binders from water treatment residuals" (British Inventors)

ALEXANDRIA, Va., June 5 -- United States Patent no. 12,275,673, issued on April 15, was assigned to ARDEX Group GmbH (Witten, Germany).

"Method for the manufacture of hydraulic binders from water treatment residuals" was invented by Stephen Alan Brooks (Suffolk, Great Britain) and Mark Russell (Belfast, Great Britain).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for the manufacture of a high alumina hydraulic binder comprising hydrating a source of aluminium ions with a source of calcium ions in the presence of water to form mineral hydrates and subsequently heating said mineral hydrates to form said high alumina hydraulic binder."

The patent was filed on June 12, 2020, under Application No. 17/61...