MUMBAI, India, March 13 -- Intellectual Property India has published a patent application (202531087325 A) filed by Jis Institue Of Advanced Studies And Research, Jis University, Kolkata, West Bengal, on Sept. 14, 2025, for 'chemically modified hydrophobic cellulosic fibers and a method of preparation thereof.'
Inventor(s) include Dr. Prosenjit Saha; Dr. Subhajit Ghosh; and Ms. Shrabani Bhunia.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present disclosure relates to a method for durably modifying cellulosic fibers to impart hydrophobic properties thereto. The method comprises a two-step chemical functionalization process following an initial pretreatment of the raw fiber. In a first functionalization step, a reactive compound containing a double bond, such as glycidyl methacrylate, is covalently grafted onto the fiber surface to create anchoring sites. In a second step, a long-chain amine is reacted with the newly introduced double bonds, thereby permanently bonding the hydrophobic moiety to the fiber. The resultant modified fiber exhibits enhanced water repellency and is resistant to lumping, wrinkling, and bacterial degradation. The disclosed method is cost-effective, environmentally friendly, and scalable, providing a superior alternative to prior art methods based on hazardous or expensive reagents."
Disclaimer: Curated by HT Syndication.
