ALEXANDRIA, Va., March 12 -- United States Patent no. 12,246,989, issued on March 11, was assigned to ETEX BUILDING PERFORMANCE INTERNATIONAL SAS (Avignon, France).
"Water repellent composition" was invented by Daniel Martin (Vedene, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A water repellent composition comprising slag and organosiliconate salt characterized in that the concentration of the slag is from 1-5 wt % based on the weight of the plaster and the concentration of organosiliconate salt is from 0.5-2 wt % based on the weight of the plaster."
The patent was filed on Sept. 2, 2020, under Application No. 17/639,361.
*For further information, including images, charts and tables, please visit...