Coated wall-flow filter

US11305269B2 · kind B2 · utility

Assignee

• UMICORE AG & CO. KG · DE

Inventors

• Naina Deibel · Pfungstadt, DE
• Martin Foerster · Büdingen, DE
• Antje Oltersdorf · Glückstadt, DE
• Juergen Koch · Schifferstadt, DE
• Martin Roesch · Rodgau, DE

Key dates

• Filing date: Mar 29, 2019
• Grant date: Apr 19, 2022
• Expiry date: Mar 29, 2039

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/12
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

The present invention relates to a catalytically coated wall-flow filter, to a method for the production thereof and to the use thereof in order to reduce harmful exhaust gases of an internal combustion engine.