Patent · US Expired

Catalytic converter for use in automotive exhaust emissions control

US5234668A · kind A · utility

25Cited by
12References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 1992
Grant dateAug 10, 1993
Priority date
Expiry dateMar 17, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24149
  • WIPO fieldEnvironmental technology
  • WIPO sectorChemistry

Abstract

A catalytic converter suitable for use in controlling automotive exhaust emissions including honeycomb heaters which are respectively disposed upstream and downstream of a main monolithic catalyst. Each honeycomb heater includes a honeycomb structure with at least two electrodes provided thereon to supply a current to the honeycomb structure.

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