ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,342, issued on Sept. 30, was assigned to MATERRUP (Saint Geours-de-Maremne, France).

"Formulation for a low-carbon construction binder, method of production, and construction materials" was invented by Mathieu Neuville (Soustons, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a formulation of a low carbon construction binder including, in a dehydrated form, a raw clay matrix and a deflocculating agent. It also relates to a construction binder, a method of preparing this construction binder, as well as a construction material comprising the construction binder according to the invention."

The patent was filed on Dec....