MUMBAI, India, July 25 -- Intellectual Property India has published a patent application (202527066914 A) filed by Cataler Corporation, Shizuoka, Japan, on July 14, for 'production method for exhaust gas purification catalyst.'
Inventor(s) include Kuwahara, Takashi; Ohara, Etsuko; and Morita, Ryoma.
The application for the patent was published on July 25, under issue no. 30/2025.
According to the abstract released by the Intellectual Property India: "The present invention provides a production method that suppresses the adhesion of a slurry to a flange section when using a substrate with a flange section and suppresses the occurrence of uncoated sections in a honeycomb structure. The production method for an exhaust gas purification catalyst disclosed herein includes: a step in which a substrate 10 comprising a honeycomb structure 12 and an outer cylinder 11 with a flange section 13 is prepared; a step in which the substrate 10 is held so that the cylindrical axis of said substrate 10 substantially coincides with the vertical direction; a step in which a cylindrical partition member 110 having an outer diameter which is smaller than the inner diameter of the outer cylinder 11 is inserted into the outer cylinder 11 from the upper end thereof and the upper end surface of the honeycomb structure 12 and the lower end of the partition member 110 are arranged so as to face each other; a step in which a slurry is supplied to the partition member 110; and a step in which the slurry is suctioned from the lower end of the outer cylinder. The partition member 110 and the substrate 10 are arranged so as to obtain a predetermined clearance in the arrangement step, and the slurry supplied in the supply step is adjusted to a predetermined viscosity."
The patent application was internationally filed on Dec. 18, 2023, under International application No.PCT/JP2023/045172.
Disclaimer: Curated by HT Syndication.
