Intellectual Property India Publishes Patent Application for 'Lubricant Including An Ester Of Pyromellitic Acid For Refrigeration Systems' Filed by The Lubrizol Corporation

MUMBAI, India, Aug. 29 -- Intellectual Property India has published a patent application (202517074393 A) filed by The Lubrizol Corporation, Wickliffe, U.S.A., on Aug. 5, for 'lubricant including an ester of pyromellitic acid for refrigeration systems.'

Inventor(s) include Rakestraw, Bridgett, K.; Pallister, David, M.; Sumner, Andrew, D.; Miller, Scott; and Adams, Zhana.

The application for the patent was published on Aug. 29, under issue no. 35/2025.

According to the abstract released by the Intellectual Property India: "A working fluid includes a lubricant and a refrigerant. The lubricant includes a tetra-alkyl ester of pyromellitic acid (1,2,4,5-benzenetetracarboxylic acid) and the refrigerant may include a hydrofluoroolefin. A method...