Patent · US Expired

Catalyst for purifying diesel engine exhaust gases

US4617289A · kind A · utility

21Cited by
2References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 6, 1985
Grant dateOct 14, 1986
Priority date
Expiry dateAug 6, 2005

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF02B3/06
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A catalyst for purifying a diesel engine exhaust gas, said catalyst comprising a refractory three-dimensional structure having a gas filter function, a porous inorganic carrier supported on it, and (a) vanadium oxide and (b) at least one metal selected from the group consisting of platinum, rhodium and palladium supported on the carrier, the amount of component (a) being in the range of 0.2 to 40.0 g as V.sub.2 O.sub.5 per liter of said structure and the amount of component (b) being in the range of 0.1 to 4.0 g as metal per liter of said structure.

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