US Patent Issued to NanoWaterTech on Oct. 21 for "Enhanced settling and dewatering of oil sands mature fine tailings with titanomagnetite nanoparticles grafted with polyacrylamide and lauryl sulfate" (Canadian Inventors)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,448,308, issued on Oct. 21, was assigned to NanoWaterTech Inc. (Canada).

"Enhanced settling and dewatering of oil sands mature fine tailings with titanomagnetite nanoparticles grafted with polyacrylamide and lauryl sulfate" was invented by Nashaat N. Nassar (Calgary, Canada) and Afif Hethnawi (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "Nanoflocculants are provided that are comprised of nanoparticles of titanomagnetite having anionic surface moieties associated with electrostatically bound polymerized chains of cationic polyacrylamide, further comprising lauryl sulfate moieties adsorbed to the surface of nanoparticles of the titanomag...