MUMBAI, India, June 16 -- Intellectual Property India has published a patent application (202611053384 A) filed by Dr. Mukesh Maithani; Dr. Mayank Yadav; Dr. Richa Raturi; Dr. Suroochi Negi; Dr. Rajeev Garg; and Deepak Patel, Srinagar, Uttarakhand, on April 27, for 'a multilayer transdermal patch for sequential drug release and a method for preparation thereof.'
Inventor(s) include Dr. Mukesh Maithani; Dr. Mayank Yadav; Dr. Richa Raturi; Dr. Suroochi Negi; Dr. Rajeev Garg; and Deepak Patel.
The application for the patent was published on June 5, under issue no. 23/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a multilayer transdermal patch for sequential drug release and a method for preparation thereof. The invention addresses the limitation of conventional topical and transdermal systems that provide either rapid onset or sustained action, but not both in a controlled manner. The patch comprises a hydrophilic immediate release layer containing herbal anti-inflammatory agents, a hydrophobic sustained release layer containing a non-steroidal anti-inflammatory drug (NSAID), and an intermediate rate-controlling membrane configured to regulate drug diffusion. The layers are arranged in a defined configuration to enable an initial rapid release of herbal actives followed by delayed and prolonged release of the NSAID. The technology employs differential polymer matrices and controlled composition to separate drug delivery by time. The disclosed technology offers a reliable and scalable solution for delivering two-phase transdermal drugs, leading to increased effectiveness, decreased dosage requirement, and better adherence from patients."
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