Catalyzed soot filter

US10369548B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Gerd Grubert · Hannover, DE
• Alfred Punke · Walle, DE
• Torsten Neubauer · Langenhagen, DE
• Marcus Hilgendorff · Hannover, DE
• Chung-Zong Wan · Somerville, US
• Yuejin Li · Edison, US
• Matthew Tyler Caudle · Hillsborough Township, US

Key dates

• Filing date: Mar 11, 2015
• Grant date: Aug 6, 2019
• Expiry date: Mar 11, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A50/20
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A catalyzed soot filter, in particular for the treatment of Diesel engine exhaust, comprises a coating design which ensures soot particulates filtration, assists the oxidation of carbon monoxide (CO), and produces low H2S emissions during normal engine operations and regeneration events.