MUMBAI, India, Jan. 9 -- Intellectual Property India has published a patent application (202531129754 A) filed by Brainware University, Kolkata, West Bengal, on Dec. 21, 2025, for 'green extraction and precipitation process for high-purity lignin recovery from rice husk and stalk biomass using organic acids and biocompatible solvents.'
Inventor(s) include Dr. Prashant Shukla; Wasika Mullick; Atayati Sen; Ajay Barman; Nabanita Sarkar; Anisha Rarafder; Megha Rani Maji; and Dr. Paramita Ghosh.
The application for the patent was published on Jan. 9, under issue no. 02/2026.
According to the abstract released by the Intellectual Property India: "The present invention provides a sustainable and efficient process for extracting high-purity lign...