MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517050440 A) filed by Primetals Technologies Austria Gmbh, Linz, Austria, on May 26, for 'use of tail gas made of the discharged gas of a reduction process of iron oxide-containing material.'

Inventor(s) include Millner, Robert; Rein, Norbert; Wurm, Johann; and Zellinger, Karl-Heinz.

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: "The invention relates to a method for producing molten iron (20). The reduction of iron oxide-containing material (50) in order to form a metallized product (30) is carried out using a reduction gas consisting at leas...