High-filtration efficiency wall-flow filter

US11808189B2 · kind B2 · utility

Assignee

• UMICORE AG & CO. KG · DE

Inventors

• Manuel Gensch · Aschaffenburg, DE
• Martin Foerster · Büdingen, DE
• Naina Deibel · Pfungstadt, DE
• Antje Oltersdorf · Glückstadt, DE
• Juergen Koch · Schifferstadt, DE

Key dates

• Filing date: Nov 7, 2019
• Grant date: Nov 7, 2023
• Expiry date: Jan 13, 2040

Classification

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

Abstract

The invention relates to a method for producing a wall-flow filter for removing fine particulate solids from gases, and to the use thereof for cleaning exhaust gases of an internal combustion engine. The invention also relates to a correspondingly produced exhaust-gas filter having a high filtration efficiency.