MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517045650 A) filed by Johnson Matthey Public Limited Company, London, on May 12, for 'recycling components of supported palladium and platinum catalysts.'

Inventor(s) include Turner Jones Michael; Reid Hazel Mary; Speller Stephen; Turton Mark David; and Witton Rebecca Louise.

The application for the patent was published on May 30, under issue no. 22/2025.

According to the abstract released by the Intellectual Property India: "A method of recycling a supported palladium or platinum catalyst comprising palladium or platinum and base metal disposed on a ceramic support the method comprising: leaching the palladium or platinum and the base metal from the ceramic support using a hydrochloric acid leachate to produce a hydrochloric acid leach liquor comprising the palladium or platinum and the base metal; passing the leach liquor through a column comprising material which selectively adsorbs the palladium or platinum; eluting the palladium or platinum from the column using an eluent to produce a solution comprising the palladium or platinum; and treating the solution comprising the palladium or platinum to recover the palladium or platinum."

The patent application was internationally filed on Nov. 08, 2023, under International application No.PCT/GB2023/052917.

Disclaimer: Curated by HT Syndication.