MUMBAI, India, Jan. 23 -- Intellectual Property India has published a patent application (202511126561 A) filed by Dr. Arpita Roy; Dr. Tanushri Chatterji; and Dr. Virendra Kumar Yadav, Greater Noida, Uttar Pradesh, on Dec. 14, 2025, for 'biogenically derived silver-copper-titanium dioxide nanoparticles and its p-nitrophenol dye degradation activity.'

Inventor(s) include Dr. Arpita Roy; Dr. Tanushri Chatterji; and Dr. Virendra Kumar Yadav.

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 research applies Pongamia pinnata leaf extract to synthesise silver-copper-titanium dioxide nanoparticles. Multi-metal nanoparticles are s...