MUMBAI, India, Sept. 28 -- Intellectual Property India has published a patent application (202521026379 A) filed by Indian Oil Corporation Limited on March 22, 2025, for Catalyst For Converting Polyolefin Waste Into Olefin-Rich Hydrocarbon Oil And A Process Thereof.
Inventors include Kanattukara, Bineesh Vijayan; Sarkar, Preetom; Kumar, Pravesh; Badhe, Rajesh Muralidhar; Pulikottil, Alex Cheru; and Sharma, Alok.
The application for the patent was published on September 25, 2026, under issue no. 39/2026.
Abstract: A catalyst for converting polyolefin waste into olefin-rich hydrocarbon oil and a process for converting polyolefin waste into olefin-rich hydrocarbon oil are disclosed. The catalyst has mesoporous support. 0.5 wt.% to 10 wt.% of a transition metal element and 0.1 wt.% to 5 wt.% of an alkali or alkali earth are impregnated on to the mesoporous support. A feed of dried and shredded polyolefin waste is added into a reactor along with the catalyst in an inert atmosphere to obtain a mixture. The mixture is heated at a temperature in a range of 400-600 °C at a rate ranging from 5-20°C/min in an inert atmosphere to obtain vapor. The vapor is condensed to obtain the olefin-rich hydrocarbon oil.
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