Intellectual Property India Publishes Patent Application for Sustainable Hydrometallurgical Process For Selective Recovery Of Critical Metals From Spent Lib Black Mass

MUMBAI, India, Sept. 14 -- Intellectual Property India has published a patent application (202611087208 A) filed by Jamia Millia Islamia on July 16, 2026, for Sustainable Hydrometallurgical Process For Selective Recovery Of Critical Metals From Spent Lib Black Mass.

Inventors include Inamul Haq; and Naved Ahsan.

The application for the patent was published on September 11, 2026, under issue no. 37/2026.

Abstract: The present invention relates to a sustainable hydrometallurgical process (100) for the selective recovery of critical metals from end-of-life lithium-ion battery black mass. The process(100) comprises thermally pre-treating the black mass to remove residual electrolyte, binders, and volatile compounds; leaching the thermally pr...