MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202511125753 A) filed by Malaviya National Institute Of Technology, Jaipur, Rajasthan, on Dec. 12, 2025, for 'eco-efficient concrete by incorporating phosphogypsum waste.'
Inventor(s) include Ishfaq Ul Abass; Dr. Jinendra Kumar Jain; Dr. Sheikh Abbas Muhammad; Amit Sain; Ghanshyam Balotiya; and Suresh Chand Bairwa.
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 invention relates to an eco-efficient concrete building composition incorporating processed phosphogypsum waste as a partial replacement for fine aggregate and cement. The composition includes cement, fine aggregate, coarse aggregate, water, and phosphogypsum. Phosphogypsum may replace up to 10% of fine aggregate and up to 10% of cement by weight, resulting in improved mechanical properties including compressive strength, flexural strength, and split tensile strength. The phosphogypsum further imparts a set-retarding effect, providing extended initial and final setting times and enhancing curing behavior. The invention also provides a method for preparing the building composition and a concrete building structure formed therefrom. The composition offers reduced dependence on natural materials, lower construction cost, and improved durability, making it suitable for sustainable building applications."
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