MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202647082847 A) filed by Ifp Energies Nouvelles; and Compagnie Gnrale Des Etablissements on July 06, 2026, for Method For The Organic Preparation Of A Catalyst In The Presence Of A Hydrogen Halide Additive.
Inventor includes Cadran, Nicolas.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The present invention relates to a method for preparing a catalyst, which method comprises: • a) a step of preparing an organic solution comprising: • a metal precursor of a metal element chosen from the elements of groups 3, 4 and 5 of the periodic table, such as tantalum and zirconium, • an acid additive chosen from hydrogen halides, hydrogen halide precursors, and mixtures thereof, and • an organic solvent, • the at least one metal precursor and the at least one acid additive being present in the organic solution at an acid/metal molar ratio of the number of moles of hydrogen halide equivalent to the number of moles of the metal element of greater than or equal to 1; • b) a step of depositing the metal precursor on an oxide matrix by bringing the organic solution into contact with the oxide matrix; then • c) a heat treatment step. The present invention also relates to the resulting catalyst and its use for converting a feed comprising ethanol to butadiene.
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