MUMBAI, India, Feb. 6 -- Intellectual Property India has published a patent application (202641007344 A) filed by Vellore Institute Of Technology, Vellore, Tamil Nadu, on Jan. 25, for 'visible-light crosslinkable polyphenol-loaded xanthan-chitosan composite hydrogel for wound healing.'
Inventor(s) include Sushma Kumari; and Esther Shalini K.
The application for the patent was published on Feb. 6, under issue no. 06/2026.
According to the abstract released by the Intellectual Property India: "A method for preparing a visible-light-crosslinkable composite hydrogel suitable for wound-healing applications is provided. The method includes surface functionalizing xanthan gum by reacting xanthan gum with glycidyl methacrylate anhydride to introduce methacrylate groups onto the polymer backbone; surface functionalizing chitosan by reacting chitosan with methacrylic anhydride to introduce methacrylate groups; dissolving the methacrylated xanthan gum and the methacrylated chitosan in an aqueous medium to obtain a hydrogel precursor mixture; adding a photoinitiator comprising lithium phenyl-2,4,6-trimethylbenzoylphosphinate (LAP) to the hydrogel precursor mixture; incorporating a polyphenol comprising caffeic acid into the hydrogel precursor mixture; and exposing the mixture to visible light to induce photocrosslinking and form a composite hydrogel suitable for wound-healing applications."
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