MUMBAI, India, May 29 -- Intellectual Property India has published a patent application (202631062372 A) filed by Assam Down Town University, Guwahati, Assam, on May 16, for 'bioactive porous sponge for wound care comprising curcuma caesia extract and a chitosan-gelatin matrix.'

Inventor(s) include Chitralekha Kataki; Dr. Minakshi Bhattacharjee; and Dr. Partha Pratim Dutta.

The application for the patent was published on May 29, under issue no. 22/2026.

According to the abstract released by the Intellectual Property India: "The present invention relates to a bioactive wound healing sponge comprising natural chitosan and gelatin incorporated with Curcuma caesia extract. Chitosan derived from fish scales is blended with gelatin to form a biocompatible porous matrix, into which Curcuma caesia extract is incorporated to impart antimicrobial, anti-inflammatory, antioxidant, and tissue regenerative properties. The sponge exhibits high porosity, moisture retention, and sustained release of bioactive compounds, promoting accelerated wound contraction, re-epithelialization, and collagen deposition. In vivo studies demonstrate superior wound healing efficacy compared to conventional dressings. The invention provides a biodegradable, non-toxic, cost-effective, and eco-friendly wound dressing suitable for clinical and commercial applications."

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