MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517028763 A) filed by Johnson Matthey Public Limited Company, London, on March 26, for 'improved twc activity using rhodium/platinum and gallic acid as a complexing and reducing agent.'
Inventor(s) include Garcia, Nicole; Howard, Michael; Lu, Jing; and Zheng, Qinghe.
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 manufacturing a catalyst article, the method comprising: providing a complex of a compound of formula (I): and a PGM, R1 is H or C1- C6 alkyl, R2 is H, OH, or O-C1-C4 alkyl, the PGM comprising rhodium and/or platinum; prov...