MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202511100171 A) filed by Indian Council Of Agricultural Research, New Delhi, on Oct. 16, 2025, for 'method for preparing soil conditioner compositions through microbial and mineral valorization of steel slag.'
Inventor(s) include Dr. Bhupinder Singh; Dr. Chandan Kumar Gupta; Dr. K. Ushack; Dr. Shiv Prasad; Dr. Livleen Shukla; Dr. Archna Suman; Dr. Y. S. Shivay; Dr. B. S. Patil; Dr. Mallikarjuna B. P; Dr. M. Sivasamy; Dr. P Jayaprakash; Dr. T. Ramesh; Dr. A Balusamy; Dr. Mohammad Sahid; Dr. A. K. Nayak; Dr. Rubina Khanam; Dr. Rajeew Kumar; Dr. V. C Dhyani; Dr. Akhilesh Kumar; Dr. Rajiv Ranjan; Dr. Satish Kumar; Dr. Neeraj Kumar; Dr. Manoj Kumar; Dr. Anil Dhaka; and Dr. Vinod Goyal.
The application for the patent was published on Jan. 23, under issue no. 04/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a soil conditioning material using steel slag, which specifically reduces the toxicity of harmful substances such as chromium and nickel by the reduction effect of steel slag and can effectively improve the environmental safety of soil. The present invention also relates to the treatment of steel slag through a microbial process to enhance the soil quality and reduce toxic materials. The steel slag is rich in calcium-bearing silicates and free lime, along with metallic iron. Several steel slag-based value-added products, that have Cr content lower than 150 ppm, in accordance with the FCO and international norms, have been developed after assessing their suitability and farm response across cereal, legume, oilseed, and vegetable crops for use on normal, and mined-metal contaminated soils."
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