MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202611046261 A) filed by Indian Institute Of Technology Banaras Hindu University, Varanasi on April 10, 2026, for Visible Light Mediated Metal-Free Photocatalytic Process For Synthesis Of Tosyl Hydrazones.

Inventors include Singh, Sundaram; and Kumari, Pooja.

The application for the patent was published on July 31, 2026, under issue no. 31/2026.

Abstract: The present invention relates to a visible light-mediated metal-free photocatalytic process for the synthesis of sulfonyl hydrazones. The process comprises reacting substituted sulfonyl hydrazide with an aldehyde or ketone compound in the presence of a photocatalyst under visible light irradiation ...