Intellectual Property India Publishes Patent Application for 'Method For Calcining Clay' Filed by Heidelberg Materials Ag

MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202517050800 A) filed by Heidelberg Materials Ag, Heidelberg, Germany, on May 27, for 'method for calcining clay.'

Inventor(s) include Muller, Arnaud; Pato, Nicolas; Chen, Yen-Hau; Druart, Sacha; and Claustriaux, Gregory.

The application for the patent was published on June 13, under issue no. 24/2025.

According to the abstract released by the Intellectual Property India: "Method for calcining clay comprising the steps of providing a clay raw material with an iron content of at least 2 wt.-%, calculated as Fe2O3 on a loss on ignition at 950 C free basis with respect to the total clay raw material, forming lumps from the clay raw material with a surf...