Patent · US Active

Catalytic article and exhaust gas treatment systems

US11154847B2 · kind B2 · utility

3Cited by
20References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 2018
Grant dateOct 26, 2021
Priority date
Expiry dateJul 3, 2038

Classification

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

Abstract

The present invention relates to a catalytic article comprising a substrate having a catalyst composition disposed thereon, wherein the catalyst composition comprises a platinum group metal impregnated onto a porous support and a selective catalytic reduction catalyst, wherein the catalyst composition is substantially free of platinum; and wherein the catalytic article is effective in the abatement of nitrogen oxides (NOx) and hydrocarbons (HCs). The present invention further relates to exhaust gas treatment systems for treating an exhaust gas stream exiting a diesel engine.

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