MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202631114242 A) filed by Assam Down Town University on September 24, 2026, for “formulation And Characterization Of Grapeseed Oil Based Silver Sulfadiazine Loaded Nanoemulgel For Burn Healing”.
Inventors include Dr. Srijita Chakrabarti; Baby Lalrinawmi; and Rejaul Karim Ahmed.
The application for the patent was published on October 02, 2026, under issue no. 40/2026.
Abstract: ABSTRACT FORMULATION AND CHARACTERIZATION OF GRAPESEED OIL BASED SILVER SULFADIAZINE LOADED NANOEMULGEL FOR BURN HEALING The present invention provides a grapeseed oil-based silver sulfadiazine nanoemulgel composition and a process for preparation thereof for topical burn management. The composition comprises silver sulfadiazine as an active pharmaceutical ingredient, grapeseed oil as an oil-phase component, an aqueous phase, one or more emulsifying or stabilizing agents, and a pharmaceutically acceptable gelling agent. Grapeseed oil and silver sulfadiazine are incorporated into a finely dispersed nanoemulsion which is subsequently integrated into a gel matrix to obtain a substantially homogeneous semi-solid topical formulation. The process comprises preparation of oil and aqueous phases, formation of a coarse emulsion, droplet-size reduction by homogenization or ultrasonication, preparation of a gel base, incorporation of the nanoemulsion into the gel base, and controlled mixing. The resulting nanoemulgel provides a convenient topical delivery platform combining silver sulfadiazine with a plant-oil-based nanoemulsion and a gel matrix having suitable application and stability characteristics.
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