MUMBAI, India, Aug. 31 -- Intellectual Property India has published a patent application (202521016024 A) filed by Indian Oil Corporation Limited on February 24, 2025, for A Process For Re-Processing Of Used Lubricating Oil To Produce Group-Ii/Iii Base Oil.
Inventors include Das, Nayan; Sarkar, Mainak; Das, Sayantan; Roy, Bijan; Emmandi, Ramu; Karumanchi, Ramesh; Kumar, Sarvesh; and Sharma, Alok.
The application for the patent was published on August 28, 2026, under issue no. 35/2026.
Abstract: The present disclosure relates to a process for purification of Used Lubricating Oil (ULO) to produce high valued LOBS product. The ULO re-refining process of the present disclosure introduces a transformative approach to recycling and reusing spent lubricating oils. This process is a proprietary combination of thermochemical treatment and hydro processing through which effective removal of contaminants, such as metals, soot, and degraded additives achieved, while preserving the base oil’s fundamental properties. Also, the process of the present disclosure incorporates energy efficient processing steps and minimizes waste generation as a sustainable alternative for traditional methods. The process of the present disclosure not only addresses the challenges of oil waste management but also contributes to a circular economy by enabling the repeated reuse of lubricating oils in various industrial applications.
Disclaimer: Curated by HT Syndication.
