MUMBAI, India, Oct. 26 -- Intellectual Property India has published a patent application (202511099183 A) filed by Indian Institute Of Technology Jodhpur on October 14, 2025, for A Removable And Replaceable Transparent Superhydrophobic Sheet And Method For Fabrication Thereof.
Inventors include Dr. Renganayagalu, Ravi Kottan; and Gurusamy, Meignanamoorthi.
The application for the patent was published on October 23, 2026, under issue no. 43/2026.
Abstract: A Removable and Replaceable Transparent Superhydrophobic Sheet and Method for Fabrication Thereof This invention discloses a removable, flexible, and transparent superhydrophobic sheet configured as a renewable protective layer for transparent surfaces. The disclosed sheet comprises a transparent polymeric substrate coated with a low-temperature sol-gel-derived alumina-silica layer functionalized with silane coupling agents and low-surface-energy materials, thereby providing superhydrophobicity, optical transparency, and mechanical flexibility. The sheet exhibits a water contact angle (WCA) of at least 150°, a roll-off angle of not more than 10°, and an optical transmittance of approximately 90%. The sheet further demonstrates delayed freezing behaviour relative to uncoated substrates under identical test conditions. The disclosed sheet is configured for lamination onto transparent substrates and enables cost-effective maintenance of solar panel cover glasses, windows, architectural glazing, consumer electronic displays, wearable sensors, biomedical devices, aerospace windows, marine optics, and public infrastructure sensors by allowing replacement of the functional sheet without replacement of the underlying transparent substrate.
Disclaimer: Curated by HT Syndication.
