MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202641063498 A) filed by M. Kumarasamy College Of Engineering, Karur, Tamil Nadu, on May 20, for 'a system for biochar hydrogel composite formation and subsurface injection.'

Inventor(s) include Dr. V. Banupriya; Mrs. M. Shobana; Sahanaa V; Priyadharshini S; Maithili R G; and Subhiksha S.

The application for the patent was published on May 29, under issue no. 22/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to an integrated HydroChar system for converting agricultural biomass residues into a water-retentive biochar-hydrogel composite and for controlled subsurface delivery of the composite ...