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 synthesised from multiple components that demonstrate new and better performance and characteristics in comparison to their single-metal equivalents. This is achieved based on the interrelationship and combined impacts that are present among single monomers. Bioactive substances such as glycosides, flavonoids, tannins, steroids, and terpenoids found in the aqueous extract facilitated the synthesis of the nanoparticles. Uv-Vis, FTIR, and XRD used to confirm the synthesis process and characterization. Further synthesised nanoparticles were used for the degradation of p-nitrophenol. It was found that after one hour of treatment with synthesized nanoparticles, dye was degraded upto 83%. This finding shows the potential of silver-copper-titanium dioxide nanoparticles for treatment of dye-contained wastewater."
Disclaimer: Curated by HT Syndication.
