PCBL Chemical Limited has been granted a patent by the Patent Office, Government of India for a novel carbon black composition. The patent was formally granted on 29th October 2026, with the company receiving intimation on 2nd November 2026.

Patent Details

  • Patent Number: 607860
  • Term: 20 years commencing from the date of filing of the application (12th January, 2020)
  • Legal Basis: Granted in accordance with the provisions of the Patents Act, 1970

Technical and Commercial Significance

The patent covers an innovation of novel carbon black composition that offers significant commercial potential in premium tyre and non-tyre applications. The technology provides:

  • Superior aesthetics in elastomer compounds
  • Enhanced mechanical performance
  • Improved durability
  • Higher product value
  • Extended service life
  • Improved manufacturing consistency
  • Enhanced competitiveness in premium market segments

Disclosure Context

This disclosure is made to the National Stock Exchange of India Limited and BSE Limited as a regulatory update. The letter was signed by Ravi Varma, Company Secretary and Compliance Officer, on 3rd November 2026 at 16:21:14 IST.