Patent · US Active

Honeycomb catalytic converter

US11298686B2 · kind B2 · utility

5Cited by
32References
17Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMar 26, 2020
Grant dateApr 12, 2022
Priority date
Expiry dateMar 27, 2040

Classification

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

Abstract

The present invention relates to a honeycomb catalytic converter including: a honeycomb structured body in which multiple through-holes are arranged longitudinally in parallel with one another with a partition wall therebetween; and a noble metal supported on the honeycomb structured body, wherein the honeycomb structured body contains a ceria-zirconia complex oxide and alumina, each partition wall includes a first carrier layer defining a surface layer of the partition wall and carrying Pd, and a second carrier layer located more inwardly of the partition wall than the first carrier layer and carrying Rh.

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