Intellectual Property India Publishes Patent Application for 'Needle Coke With Low Coefficient Of Thermal Expansion And Method Of Preparation Thereof' Filed by Tata Steel Limited

MUMBAI, India, Aug. 1 -- Intellectual Property India has published a patent application (202431006309 A) filed by Tata Steel Limited, Jamshedpur, Jharkhand, on Jan. 31, 2024, for 'needle coke with low coefficient of thermal expansion and method of preparation thereof.'

Inventor(s) include Chandrachur Banerjee; Vimal Kumar Chandaliya; and Pratik Swarup Dash.

The application for the patent was published on Aug. 1, under issue no. 31/2025.

According to the abstract released by the Intellectual Property India: "The present disclosure relates to a two-step process for production of needle coke from feedstock, such as coal tar pitch. The said needle coke exhibits low coefficient of thermal expansion as well as homogeneous needle like microstru...