MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202641122303 A) filed by Arunachala College Of Engineering For Women on October 13, 2026, for Eco-Friendly Low-Density Packaging Foam Developed From Banana Stem Agricultural Waste.
Inventors include Shivani. A; Suvanthi. L; Nivethitha. D; and Dr. R. Ablin.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: The present invention relates to an eco-friendly low-density packaging foam developed from banana stem agricultural waste, which provides a sustainable alternative to conventional petroleum-based packaging materials such as expanded polystyrene (EPS). The invention utilizes discarded banana stem or pseudostem biomass as a renewable lignocellulosic raw material for producing a lightweight and biodegradable packaging material. The banana stem waste is collected, cleaned, processed, and converted into fibre or cellulose-rich biomass. The processed biomass is combined with a suitable biodegradable binding material and a foaming component to form a substantially uniform mixture. The mixture is subsequently subjected to controlled forming, foaming, heating, drying, curing, or a combination thereof to produce a porous low-density foam structure. The resulting bio-foam exhibits lightweight characteristics and can provide cushioning, shock absorption, compressive resistance, and thermal insulation properties suitable for protective packaging applications. The invention enables the conversion of abundantly available banana stem agricultural waste into a value-added biodegradable product, thereby reducing agricultural waste and dependence on non-biodegradable synthetic packaging materials. The developed bio-foam may be fabricated into sheets, blocks, trays, cushioning inserts, separators, protective corners, and other customized packaging forms for use in packaging and transportation of various products.
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