MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517058134 A) filed by Topsoe A/S, Lyngby, Denmark, on June 17, for 'purified biomass based compositions comprising ethylene glycol and use thereof to produce a polyester.'
Inventor(s) include Hansen, Torkil Ottesen; Varzandeh, Farhad; Jensen, Lars Skov; Taarning, Esben; and Pedersen, Lars Saaby.
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: "Biomass based Compositions Comprising Ethylene Glycol A method of purifying a biomass based composition comprising ethylene glycol, the method comprising: (a) subjecting the biomass based composition to at least one distillation step to provide a distillation product, wherein the concentration of ethylene glycol in the distillation product is greater than in the biomass based composition; and (b) subjecting the distillation product to at least one melt crystallisation step to form crystals and a mother liquor, such that the crystals provide a purified biomass based composition, wherein the concentration of ethylene glycol in the purified biomass based composition is greater than in the distillation product."
The patent application was internationally filed on Dec. 21, 2023, under International application No.PCT/EP2023/087238.
Disclaimer: Curated by HT Syndication.
