ALEXANDRIA, Va., June 19 -- United States Patent no. 12,330,952, issued on June 17, was assigned to JFE MINERAL COMPANY LTD. (Tokyo).
"Metahalloysite powder and production method therefor" was invented by Hidefumi Konnai (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a novel material using a meta-halloysite that does not exist in prior art, and a production method therefor. The meta-halloysite powder of the present invention is characterized in that: the meta-halloysite is covered by elemental carbon; the meta-halloysite contains elemental carbon; the meta-halloysite powder is a powder containing granules formed by the aggregation of meta-halloysite comprising meta-hallo...