MUMBAI, India, Oct. 5 -- Intellectual Property India has published a patent application (202541029170 A) filed by Carborundum Universal Limited on March 27, 2025, for The Preparation Of Conductive Rubber Sheets With Carbon Allotropes And Application Thereof.

Inventors include Jabeen Fatima Manamkeri Jaffarali; Ponnarassery Sukumaran Jayan; Premnath Kunnath Nelloli; and Sivakumaran Maruvakkat Vasudevan.

The application for the patent was published on October 02, 2026, under issue no. 40/2026.

Abstract: ABSTRACT The present invention relates to a method for preparing rubber sheets or mats with reduced surface resistivity or enhanced conductivity by incorporating single or multiple carbon allotropes, such as carbon black, carbon nanotubes (CNT), graphene, and their functionalized derivatives into latex rubber. The sheets or mats have a thickness ranging from 0.01 mm to 20 mm and are suitable for sensor and conductivity-related applications. The sheets offer the possibility of roll formation through automated processes.

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