MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202647086433 A) filed by Ifp Energies Nouvelles on July 15, 2026, for Batch Leaching Method For Recycling Catalyst Metals.

Inventors include Blancke, Guillaume; Grandjean, Julien; Carrette, Pierre-Louis; and Delpoux, Olivier.

The application for the patent was published on July 17, 2026, under issue no. 29/2026.

Abstract: The invention relates to a batch method for leaching a spent catalyst comprising a metal from group VIB, and/or a metal from group VIII, and a support based on one or more oxides, characterised in that the method comprises N leaching steps, N being = 2, by bringing the spent catalyst into contact with a leaching solution comprising...