ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,434,980, issued on Oct. 7.
"Preparation of magnetite nanoparticles and uses thereof" was invented by Perry Martos (Kitchener, Canada), Charles Wroblewski (Guelph, Canada) and Blake Martos (Kitchener, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present application relates to a method of preparing magnetite nanoparticles. In particular, it relates to a method of preparing magnetite (Fe3O4) nanoparticles wherein a gas-liquid reaction interface between an ammonia gas (NH3(g)) headspace and an aqueous ferrous (Fe2+) and ferric (Fe3+) iron salts solution is established and without agitation magnetite (Fe3O4) nanoparticles are formed. The present ...