MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517050275 A) filed by Uop Llc, Des Plaines, U.S.A., on May 26, for 'improving aromatics extraction through integration of complementary co-solvents.'

Inventor(s) include Shih, Raymond; Bhattacharyya, Souryadeep; Xu, Lijun; Attarde, Dinesh; and Vishnoi, Ankit.

The application for the patent was published on July 4, under issue no. 27/2025.

According to the abstract released by the Intellectual Property India: "Solvent mixtures for extractive distillation are described. One solvent mixture consists essentially of: a first solvent having a higher octane-to-benzene relative volatility than sulfolane in a 90 % benzene 10 % octane feed mixture at 150 C ...