ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,545,590, issued on Feb. 10, was assigned to JFE MINERAL COMPANY LTD. (Tokyo).
"Halloysite powder" was invented by Hidefumi Konnai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is halloysite powder having a small b value. The halloysite powder is powder including a granule in which halloysite including halloysite nanotubes is aggregated, the granule has a first pore deriving from a tube hole of the halloysite nanotubes and a second pore different from the first pore, and the Fe2O3 content is not more than 2.00 mass %."
The patent was filed on Oct. 26, 2020, under Application No. 17/771,111.
*For further information, including images, c...