MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202611107001 A) filed by Madan Mohan Malaviya University Of Technology on September 05, 2026, for A Sustainable Hot Mix Asphalt (hma) Composition For Pavement Construction.

Inventors include Neeraj Kumar Chaubey; and Arun Kumar Mishra.

The application for the patent was published on October 23, 2026, under issue no. 43/2026.

Abstract: The invention relates to the sustainable use of copper slag (CuS), a by-product of copper production, as a partial replacement for fine natural granite aggregate (NGA) in hot mix asphalt (HMA). Copper slag was incorporated at 0%, 5%, 10%, 15%, 20%, and 25% replacement levels by weight of fine aggregates (4.75–0.075 mm)...