MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202417086051 A) filed by Korea Zinc Co. Ltd.; and Kemco, Seoul, Republic of Korea, on Nov. 8, 2024, for 'all-in-one nickel smelting method for nickel oxide recovery from raw materials containing nickel.'

Inventor(s) include Choi, Heon Sik; and Lee, Je Joong.

The application for the patent was published on June 6, under issue no. 23/2025.

According to the abstract released by the Intellectual Property India: "The present invention provides a nickel smelting method comprising: (A-i) a reduction heat treatment process for heat-treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product ...