MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202541025853 A) filed by Hindustan Petroleum Corporation Limited on March 21, 2025, for A Sulphur Tolerant Noble Metal Catalyst For Aromatic Hydrogenation And Producing Dearomatized Solvent.
Inventors include Santhosh, Kotni; Sushma, Sunkara; Sudarshanreddy, Ragireddy; Raja, Kanuparthy Naga; Gnanasekaran, Valavarasu; and Sundararaman, Sriram.
The application for the patent was published on September 25, 2026, under issue no. 39/2026.
Abstract: The present invention provides a sulphur tolerant noble metal catalyst for hydrogenation. Particularly, the present invention provides a sulphur tolerant noble metal catalyst comprising of active metals such as palladium and platinum with promoter copper, impregnated on a silica/alumina support. The catalyst has a surface area in a range of 360 to 380 m2/g, pore volume in a range of 0.5 to 0.8 cc/g and pore size in a range of 6 to 8 nm. The invention further provides a method for catalytic hydrogenation of aromatics of hydrocarbon feedstock to obtain dearomatized solvents.
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