Patent · US Active

Catalytic articles

US11471863B2 · kind B2 · utility

1Cited by
10References
32Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 2018
Grant dateOct 18, 2022
Priority date
Expiry dateNov 19, 2038

Classification

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

Abstract

Provided herein is a catalytic article including a catalytic coating disposed on a substrate, wherein the catalytic coating comprises a bottom coating on the substrate and a top coating layer on the bottom coating layer, one such coating layer containing a platinum group metal on a refractory metal oxide support and the other such coating layer containing a ceria-containing molecular sieve. Such catalytic articles are effective toward treating exhaust gas streams of internal combustion engines and exhibit outstanding resistance to sulfur.

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