Patent · US Active

Treated SCR catalysts with enhanced sulfur resistance

US12104517B2 · kind B2 · utility

0Cited by

2References

5Claims

0Family size

Assignee

Cummins Emission Solutions Inc. · US

Inventors

Changsheng C. Su · Columbus, US
Yuanzhou Xi · Verona, US
Jinqian Gong · Columbus, US
Ramakrishna Gopal Dontha · Columbus, US
Nathan A. Ottinger · Lenoir City, US
Z. Gerald Liu · Madison, US
James C. Clerc · Columbus, US

Key dates

Filing date	Jan 10, 2020
Grant date	Oct 1, 2024
Priority date	—
Expiry date	Nov 27, 2040

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A method includes: providing a SCR system comprising a SCR catalyst; heating the SCR system to a temperature greater than 500 degrees Celsius for a predetermined time so as to increase sulfur resistance of the SCR catalyst; and installing the SCR system in an aftertreatment system.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.