MUMBAI, India, May 30 -- Intellectual Property India has published a patent application (202517017396 A) filed by Johnson Matthey Public Limited Company, London, on Feb. 27, for 'coatings on a monolith article.'

Inventor(s) include Chavda, Ketan Ravi; Turner, John; and Warren, Sarah.

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: "The present disclosure relates to a coated monolith article for filtering particulate matter from exhaust gases. The monolith article has an inlet-end front zone and an outlet-end rear zone, and comprises a zoned and layered coating. The zoned and layered coating comprises an inlet-end front zone which comprises an inorganic oxide coating and an outlet-end rear zone, which contains a layered coating, with the lower layer comprising a washcoat coating and the upper layer comprising an inorganic oxide coating (e.g. an inorganic oxide coating identical to that of the inlet-end front zone). The present disclosure also relates to a method of forming the coated monolith article as described herein and an exhaust system with a coated monolith article as described herein."

The patent application was internationally filed on Nov. 08, 2023, under International application No.PCT/GB2023/052911.

Disclaimer: Curated by HT Syndication.