Patent · US Active

Metal particles, exhaust gas purifying catalyst comprising metal particles, and methods for producing them

US9115621B2 · kind B2 · utility

1Cited by
21References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 8, 2011
Grant dateAug 25, 2015
Priority date
Expiry dateSep 8, 2031

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J2235/30
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Provided are metal particles comprising an at least partial solid solution of rhodium and gold. Also provided is a method for producing metal particles comprising adding a boron-based reducing agent to a mixed solution containing a rhodium salt and a gold salt to produce the metal particles comprising an at least partial solid solution of rhodium and gold. Furthermore, provided are an exhaust gas purifying catalyst comprising the metal particles supported on a catalyst support and a method for producing the same.

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