ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,716,020, issued on Aug. 25, was assigned to Concrete Canvas Technology Ltd. (Pontypridd, Great Britain).
"Flexible composite" was invented by Peter Brewin (Pontypridd, Great Britain), Christopher Evans (Pontypridd, Great Britain), Marcin Kujawski (Pontypridd, Great Britain) and William Peake (Pontypridd, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "An expandable porous framework, the framework containing a dry cementitious powder fill that when exposed to an aqueous media, will expand against the constraint of the framework and set to form a solid, hard and coherent material, the formwork being porous to liquids but substantially imperme...