MUMBAI, India, June 16 -- Intellectual Property India has published a patent application (202611055010 A) filed by Abes Engineering College, Ghaziabad, Uttar Pradesh, on April 30, for 'extraction of lignocellulosic fibers from helicteres isora fruit pods and stem bark and their utilization in biodegradable polymer composites.'
Inventor(s) include Dr. Neha Singh Raghuvanshi; Mr. Mudit Saxena; and Ms. Arpita Johri.
The application for the patent was published on June 5, under issue no. 23/2026.
According to the abstract released by the Intellectual Property India: "The present invention discloses a method and system for extraction of lignocellulosic fibers from fruit pods and stem bark of Helicteres isora and their utilization in biodegradable polymer composites. The method comprises mechanical separation of fibers followed by controlled alkaline treatment using a sodium hydroxide solution to remove non-cellulosic components while preserving fiber integrity. The extracted fibers exhibit high cellulose content and retain a natural twisted morphology that enhances interfacial bonding with polymer matrices. The fibers are incorporated into biodegradable polymers such as polylactic acid, starch-based polymers, polyhydroxyalkanoates, polycaprolactone, and natural rubber using processing techniques including melt mixing and compression molding. The resulting composites demonstrate improved mechanical properties including tensile strength and impact resistance while maintaining biodegradability. The invention provides a sustainable and cost-effective alternative to conventional natural fibers by utilizing underexplored biomass resources."
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