Patent · US Expired

Catalysts utilizing oxygen-deficient metal oxide compound for removal of exhaust gas constituents

US5925590A · kind A · utility

24Cited by
32References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 30, 1997
Grant dateJul 20, 1999
Priority date
Expiry dateOct 30, 2017

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2523/00
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention provides various solid catalysts for decomposition of exhaust gases. Catalysts include, among others, those of formula Ce.sub.0.5 La.sub.0.4 Sr.sub.0.1 Pd.sub.0.025 O.sub.3x and BiCo.sub.0.8 Cu.sub.0.2 O.sub.3x. The invention also relates to catalytic reactors for decomposition of exhaust gases utilizing solid catalysts of the invention. The invention further provides methods for synthesis of various mixed metal oxide catalysts for decomposition of exhaust gas pollutants.

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