ALEXANDRIA, Va., April 2 -- United States Patent no. 12,264,100, issued on April 1, was assigned to VICAT (Paris la Defense, France).
"Use of a clay for producing a pozzolanic material" was invented by Olivier Martinage (Lyons, France) and Francois Hue (Bourgoin Jallieu, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The use of a clay including: less than 25% of kaolinite; and at least 20% of muscovite and/or illite; the muscovite and/or illite/kaolinite weight ratio being greater than 1, for the preparation of a pozzolanic material."
The patent was filed on Aug. 2, 2019, under Application No. 17/262,869.
*For further information, including images, charts and tables, please visit: http://patft.uspto...