Patent · US Active

Catalytic reduction of NOx

US9073010B2 · kind B2 · utility

2Cited by
44References
25Claims
0Family size

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Key dates

Filing dateApr 11, 2014
Grant dateJul 7, 2015
Priority date
Expiry dateApr 11, 2034

Classification

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

Abstract

A system for NOx reduction in combustion gases, especially from diesel engines, incorporates an oxidation catalyst to convert at least a portion of NO to NO2, particulate filter, a source of reductant such as NH3 and an SCR catalyst. Considerable improvements in NOx conversion are observed.

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