MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202617063071 A) filed by Orion Engineered Carbons Ip Gmbh & Co. Kg on May 19, 2026, for Process For Producing Purified Carbon Blacks With Reduced Content Of Oxidized Polycyclic Aromatic Hydrocarbons.
Inventors include Widjaja, Andreas; Waidmann, Guido; Rtel, Wolfgang; Momper, David; and Monakhova, Yulia.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: A process for producing a purified carbon black with a reduced content of oxidized polycyclic aromatic hydrocarbons, such as oxy-polycyclic aromatic hydrocarbons (oxy-PAHs) and/or nitro-polycyclic aromatic hydrocarbons (nitro-PAHs) is provided. The process comprises providing a carbon black comprising an initial content of oxidized polycyclic aromatic hydrocarbons, and subjecting the provided carbon black to a thermal treatment comprising heat treating the carbon black at a temperature of less than 280°C in a vacuum or inert gas atmosphere. Also disclosed are purified carbon blacks obtainable by such process, and applications and uses of these purified carbon blacks.
Disclaimer: Curated by HT Syndication.
