MUMBAI, India, Oct. 11 -- Intellectual Property India has published a patent application (202517089543 A) filed by Evonik Operations Gmbh, Essen, Germany, on Sept. 19, for 'aluminum oxide dispersions for use as separator coating in secondary batteries.'

Inventor(s) include Neb, Daniel; Esken, Daniel; Cornelius, Maximilian; Mohr, Lukas; Doring, Manja; and Bergmann, Gabriele.

The application for the patent was published on Oct. 10, under issue no. 41/2025.

According to the abstract released by the Intellectual Property India: "An aqueous dispersion containing aluminum oxide powder, characterized in that the aluminum oxide powder is present in the form of aggregated primary particles with an aggregate particle size distribution with a media...