Patent · US Active

NOx adsorber catalyst

US10603655B2 · kind B2 · utility

4Cited by
32References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2018
Grant dateMar 31, 2020
Priority date—
Expiry dateMar 28, 2038

Classification

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

Abstract

A lean NOx trap catalyst and its use in an emission treatment system for internal combustion engines is disclosed. The lean NOx trap catalyst comprises a first layer, a second layer, and a third layer.

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