ALEXANDRIA, Va., Feb. 26 -- United States Patent no. 12,234,156, issued on Feb. 25, was assigned to KING SAUD UNIVERSITY (Riyadh, Saudi Arabia).
"Method for making nanosilica from glass waste" was invented by Mohammad Iqbal Khan (Riyadh, Saudi Arabia), Galal Mohamed Fares (Riyadh, Saudi Arabia) and Yassir Mohammed Abbas (Riyadh, Saudi Arabia).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of making nanosilica from glass, the method comprising: gathering glass waste; grinding the glass waste to obtain a glass powder containing nanoparticles; adding the glass powder containing the nanoparticles to a water solution comprising a dispersing agent to obtain a colloidal system containing nanoparticles; sepa...