MUMBAI, India, Aug. 22 -- Intellectual Property India has published a patent application (202517072610 A) filed by Basf Se, Ludwigshafen Am Rhein, Germany, on July 30, for 'method for the production of superabsorbers.'
Inventor(s) include Wengeler, Robert; Bensmann, Sven; Possemiers, Karl; and Barthel, Holger.
The application for the patent was published on Aug. 22, under issue no. 34/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a method for the continuous production of superabsorbers, wherein: superabsorber particles are coated by spraying-on a surface-post-crosslinking-agent solution; the coated superabsorber particles are thermally surface-post-crosslinked in a contact dryer (1); the thermally surface-post-crosslinked superabsorber particles are cooled in a contact dryer (2) having two horizontal shafts; and a solid particulate material, an aqueous solution and/or a dispersion are metered in each case by means of at least one first nozzle in the region of the first horizontal shaft and at least one second nozzle in the region of the second horizontal shaft in the contact dryer (2)."
The patent application was internationally filed on Dec. 20, 2023, under International application No.PCT/EP2023/086830.
Disclaimer: Curated by HT Syndication.
