MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202647123066 A) filed by Ifp Energies Nouvelles on October 14, 2026, for Method For Producing 5-Hmf Comprising Filtration With Resuspension Of A Filtered Solid Phase.
Inventors include Bouras, Meriem; Fernandez Espada Pastor, Maria; Larmier, Kim; and Lorcet, Hlne.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: The invention relates to a method for producing 5-hydroxymethylfurfural (5-HMF), the method comprising, in sequence: a) bringing a feedstock (1) containing 5-HMF and a polar aprotic synthesis solvent into contact with an aqueous stream; b) liquid-solid separation, comprising two steps of filtration separated by resuspension of a filter cake; c) liquid-liquid extraction with an organic extraction solvent, followed by a step d) of backwashing with an aqueous solvent to obtain an organic raffinate rich in 5-HMF and in solvent. The optionally concentrated organic raffinate is then subjected to a purification step f), for example hydrodistillation or crystallisation, to obtain a 5-HMF stream, for example in the form of an aqueous solution of 5-HMF or crystalline 5-HMF.
Disclaimer: Curated by HT Syndication.
