On October 12, the shares of PCBL (Phillips Carbon Black Limited) saw a notable surge of approximately 7%. By the close of the trading day, the stock settled at INR 204.05 on the National Stock Exchange (NSE), marking an increase of 3.74%. At one point during intraday trading, the stock even touched its 52-week high of INR 211.50.
This impressive surge in the stock value is attributed to the company’s recent achievement of securing two patents related to specialty-grade and surface-modified carbon black. In a recent regulatory filing, PCBL announced that the Indian Patent Office had granted them two distinct patents. The first patent, bearing the number IN444448, relates to an invention titled ‘Treatment Process of Carbon Black and the Oxidized Carbon Black derived from it’. This patent specifically concerns PCBL Limited’s innovative process regarding the modification of specialty-grade carbon black for ink and coating applications.
The second patent that the company secured is related to an invention for a ‘Surface-Modified Carbon Black Grade’ aimed at enhancing the performance of rubber compounds. As per the company’s exchange filing, this patent focuses on the innovative carbon black composition developed by PCBL to improve fuel efficiency and tire life.

In terms of the stock’s performance, PCBL’s shares have witnessed an approximately 60% uptick this year alone. Over the past six months, there’s been an 80% jump in the stock value. As of the end of the April-June quarter, the company’s promoters held a 51.41% stake. During the same period,
Foreign Institutional Investors (FIIs) and Foreign Portfolio Investors (FPIs) increased their shareholding from 0.22% to 6.56%. Mutual funds also upped their stake by 1%, taking their total shareholding to 6.05%. The company’s debt-to-equity ratio stands at 0.33, showcasing its stable financial footing.