MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202611101466 A) filed by Phulara, Suresh Chandra; Gupta, Ankur; and Baunthiyal, Mamta on August 21, 2026, for A Method For Preparing Completely Bio-Based Composite Panels Using Pine Needle And Natural Mucilaginous Biomass.

Inventors include Juyal, Shreya; Rai, Priyanshi; Jain, Nitin Kumar; Singh, Rahul; and Bisth, Devender Singh.

The application for the patent was published on October 23, 2026, under issue no. 43/2026.

Abstract: The present invention relates to a method for preparing completely bio-based composite panels using pine needle biomass, natural mucilaginous biomass binders, and fillers such as ash powder wherein pine biomass : mucilagenous biomass : ash ratio is 3:1:3. Pine needles are cleaned, mechanically reduced into fibers, and treated with 2% sodium carbonate, 2% sodium hydroxide, and 2% boric acid, followed by drying and mixing with processed mucilaginous binders and ash as a filler. The mixture is cast into molds, compressed under manual press, cured, sun-dried, and oven-dried to obtain panels. The panels exhibit density in the range of 0.263–0.471 g/cm³, 0.406 MPa, and load-bearing capacity of 215.34 ± 3.75 N. Thermal conductivity is 0.121 W/mK and heat of combustion is 10.46 MJ/Kg for fabricated panels. The invention provides completely biobased, biodegradable insulation panels for rural housing, livestock shelters, and low-cost ecofriendly construction.

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