MUMBAI, India, April 18 -- Intellectual Property India has published a patent application (202517029233 A) filed by Oxyphen Gmbh, Lottstetten, Germany, on March 27, for 'gas-tight track-etched membranes for emergency venting.'

Inventor(s) include Alfimov, Vassili; Sproll, Stefan; and Martin, Franz.

The application for the patent was published on April 18, under issue no. 16/2025.

According to the abstract released by the Intellectual Property India: "The invention provides a gas-tight membrane for use as a burst membrane, especially for emergency venting in connection with batteries, e.g. for cars, e-bikes, handheld devices, electronic cigarettes, energy storing devices or heavy-duty tools. The membrane comprises a basic membrane having ...