ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,437,938, issued on Oct. 7, was assigned to UNIVERSITY OF THE WITWATERSRAND, JOHANNESBURG (Johannesburg).
"Alkali metal quaternary nanomaterials" was invented by Nosipho Moloto (Johannesburg), Kalenga Mubiayi (Johannesburg) and Grace Ngubeni (Johannesburg).
According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to the manufacture an alkali metal quaternary crystalline nanomaterial. an alkali metal quaternary crystalline nanomaterial having general Formula A (I2-II-IV-VI4); and wherein I is sodium (Na) or lithium (Li), II and IV are Zn or Sn, and VI is a chalcogens selected from the group comprising: sulphur (S), selenium (Se) or tellurium (T...