Patent · US Expired

Powdery catalyst, exhaust-gas purifying catalyzer, and powdery catalyst production method

US7601669B2 · kind B2 · utility

7Cited by
103References
4Claims
0Family size

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Inventors

Key dates

Filing dateNov 29, 2004
Grant dateOct 13, 2009
Priority date
Expiry dateSep 12, 2025

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T10/12
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

In a powdery catalyst (1), a porous carrier (2) has a complex part (3) configured to hold a noble metal particle (4), the complex part being composed of a transition metal material and a constituent material of the porous carrier (2).

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