MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517014483 A) filed by Johnson Matthey Public Limited Company, London, on Feb. 19, for 'recycling of catalyst coated membrane components.'
Inventor(s) include Gordon, Ross; and Hart, Gareth.
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 fluorinated polymer from a membrane comprising the fluorinated polymer, the fluorinated polymer comprising a fluorinated polymer backbone chain and a plurality of groups represented by formula -SO3Z, wherein Z is hydrogen, the method comprising: contacting the membrane with a reagent providing a source of cations to form a fluorinated polymer salt in which Z is a cation, wherein the reagent is maintained at a temperature sufficiently low that the membrane remains in a solid, undispersed form; removing excess, unreacted reagent from the solid fluorinated polymer salt; and after removing the excess reagent, dispersing the solid fluorinated polymer salt in a solvent."
The patent application was internationally filed on Nov. 07, 2023, under International application No.PCT/GB2023/052897.
Disclaimer: Curated by HT Syndication.
