MUMBAI, India, April 17 -- Intellectual Property India has published a patent application (202541045233 A) filed by Vinayaka Missions Reasearch Foundation- DU; and Dr. K. Indra Priyadharshini, Salem, Tamil Nadu, on May 10, 2025, for 'eco-friendly synthesis of iron, zinc nanoparticles using calotropis extract for biomedical and catalytic applications.'

Inventor(s) include Dr. K. Indra Priyadharshini; Dr. L. Chitra; and Dr. S. Penislusshiyan.

The application for the patent was published on April 17, under issue no. 16/2026.

According to the abstract released by the Intellectual Property India: "The invention discloses a controlled aqueous synthesis process wherein Calotropis procera leaf extract reduces Fe? and Zn? ions under alkaline cond...