MUMBAI, India, Sept. 22 -- Intellectual Property India has published a patent application (202617077675 A) filed by Basf Se on June 23, 2026, for Process For The Distillation Of Acrylic Acid With Split-Dosing Of Polymerization Inhibitor.
Inventors include Askani, Rainer; Alencar De Oliveira, Raphael; Crauwels, Filip; Duerr, Anna Katharina; Stevens, Jolien; Gieshoff, Tile; and Zurowski, Peter.
The application for the patent was published on September 18, 2026, under issue no. 38/2026.
Abstract: A process for the distillation and/or fractional condensation of a mixture comprising acrylic acid, water, and noncondensable gaseous components, comprises feeding the mixture into a column having a plurality of separatory trays; withdrawing acrylic acid from the column via a side draw; condensing water vapor generated in the column to obtain an aqueous condensate, and returning part of the condensate as reflux liquid into the column; and metering a polymerization inhibitor to the column at a height between the height of withdrawing the acrylic acid and the height of returning the aqueous condensate; wherein the polymerization inhibitor is simultaneously metered to at least two trays.
Disclaimer: Curated by HT Syndication.
