MUMBAI, India, Nov. 14 -- Intellectual Property India has published a patent application (202517096694 A) filed by Universite Mohammed VI Polytechnique, Ben Guerir, Morocco, on Oct. 7, for 'method for recovering rare earths and coproducts from phosphogypsum and phosphoric acid sludge.'
Inventor(s) include Khaless, Khaoula; Chanouri, Hamza; and Benhida, Rachid.
The application for the patent was published on Nov. 14, under issue no. 46/2025.
According to the abstract released by the Intellectual Property India: "The present disclosure relates to a method for treating phosphogypsum or phosphoric acid sludge in order to recover rare earths, the method comprising the following consecutive steps: (a) treating the phosphogypsum or the phosphor...