Intellectual Property India Publishes Patent Application for Process For Obtaining Ethylene Glycol And Propylene Glycol With Reduced Amount Of Pentanediols

MUMBAI, India, Aug. 12 -- Intellectual Property India has published a patent application (202527134476 A) filed by Avantium Knowledge Centre B. V. on December 31, 2025, for Process For Obtaining Ethylene Glycol And Propylene Glycol With Reduced Amount Of Pentanediols.

Inventors include Ansovini, Davide; Esmaeili, Faezeh; and Mckay, Benjamin.

The application for the patent was published on August 07, 2026, under issue no. 32/2026.

Abstract: A process for the isolation of ethylene glycol and propylene glycol from a glycol mixture, which ethylene glycol and propylene glycol have a reduced amount of pentanediol. The process comprises fractional distillation of the glycol mixture to separate the majority of ethylene glycol and propylene glycol, with subsequent extractive distillation using an entrainer to remove 1,2-pentanediol from ethylene glycol and (2R,3S) 2,3-pentanediol and/or (2S,3R) 2,3-pentanediol from propylene glycol.

Disclaimer: Curated by HT Syndication.