MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202647086514 A) filed by Ifp Energies Nouvelles on July 15, 2026, for Continuous Counter-Current 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 present invention relates to a continuous method for the counter-current leaching of a spent catalyst, comprising at least one metal from group VIB and/or at least one metal from group VIII, optionally phosphorus and/or sulphur, and a support based on one or more oxides, characterised in that the method com...