MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202531117254 A) filed by Visva- Bharati on November 26, 2025, for Water Hyacinth Fibre And Regenerated Cellulosic Fibre Blended Rotor Spun Yarn”.
Inventors include Dr. Sankar Roy Maulik; Ms. Soumili Pal; and Mr. Abir Chakrabarti.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: The present invention relates to the development of a biodegradable rotor-spun yarn produced from a blend of water hyacinth fibre and regenerated cellulosic fibre. The invention describes a systematic process for the extraction of fibre from water hyacinth stems, chemical conditioning with fatty acid esters, nonionic emulsifi...