Intellectual Property India Publishes Patent Application for 'A Process Of Recovery Of Lead And Zinc From A Smelter Slag' Filed by Hindustan Zinc Limited

MUMBAI, India, March 7 -- Intellectual Property India has published a patent application (202311059512 A) filed by Hindustan Zinc Limited, Udaipur, Rajasthan, on Sept. 5, 2023, for 'a process of recovery of lead and zinc from a smelter slag.'

Inventor(s) include Arnab Kundu; Krishna Kumar Saw; Narendra Gunuri; K Mahesh Kannan; Kamod Singh; and C. Chandru.

The application for the patent was published on March 7, under issue no. 10/2025.

According to the abstract released by the Intellectual Property India: "The present disclosure relates to a process for obtaining lead and zinc concentrates from a smelter slag. The process comprising of draining a slag directly from the smelter in slag pots; cooling the drained slag naturally in air; grin...