MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202647082977 A) filed by Ifp Energies Nouvelles; and Compagnie Gnrale Des Etablissements on July 06, 2026, for Tantalum- And Silica-Based Catalyst For The Conversion Of A Feedstock Comprising Ethanol Into Butadiene.
Inventors include Cadran, Nicolas; and Rivallan, Mickael.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The present invention relates to a catalyst comprising tantalum and a silica-based matrix, wherein the catalyst has a tantalum content of between 0.1 wt% and 30 wt% relative to the weight of the silica-based matrix, and a Lewis acidity content greater than or equal to 1000 au/gTa, wherein the Lewis acidity content is determined by infrared spectroscopy (FTIR) following the adsorption and subsequent thermodesorption of pyridine. The present invention also relates to the use of the catalyst to convert a feedstock comprising ethanol into butadiene.
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