MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202617097091 A) filed by Queen Mary University Of London on August 11, 2026, for Composite.

Inventors include Volpe, Roberto; and Khan, Sardar Wasif Ashraf.

The application for the patent was published on October 30, 2026, under issue no. 44/2026.

Abstract: The invention relates to a method of preparing a composite, a composite, and a polymeric valve for a heart. The composite comprises (a) pyrolyzed particles of lignocellulosic biomass with an average particle diameter up to about 10 µm; and (b) a polycarbonate urethane polymer. The amount of pyrolyzed particles of lignocellulosic biomass is from about 1 wt.% to about 75 wt.% relative to the weight of the urethane polymer. The method comprises (i) pyrolyzing particles of lignocellulosic biomass by heating to a temperature of from about 250 °C to about 1000 °C in an inert or mildly oxidizing atmosphere for a period of from about 30 minutes to about 3 hours to provide the (a) pyrolyzed particles of lignocellulosic biomass; and (ii) mixing together the (a) pyrolyzed particles of lignocellulosic biomass and (b) polycarbonate urethane polymer to provide the composite.

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