Patent · US Expired

Catalysts for oxidation of carbon monoxide

US4943550A · kind A · utility

12Cited by
11References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 14, 1989
Grant dateJul 24, 1990
Priority date
Expiry dateJun 14, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J23/8906
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In a process for preparing a reduced material comprising (a) alumina and/or magnesium aluminate as support material, (b) platinum metal and (c) an iron component, the improvement comprises: (1) treating the reduced composition of matter with an acidic liquid; (2) heating the acid-treated material, and (3) treating the material obtained in step (2) with a reducing gas. The prepared material is used as a catalyst for converting CO and O.sub.2 to CO.sub.2.

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