Patent · US Expired

Nanostructured catalyst particle/catalyst carrier particle system

US6680279B2 · kind B2 · utility

33Cited by
19References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 24, 2002
Grant dateJan 20, 2004
Priority date
Expiry dateJan 24, 2022

Classification

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

Abstract

A method of dispersing nanosized catalyst particles on the surface of larger catalyst carrier particles is disclosed. The coating process is done dry and yields high effective surface area of nanosized catalyst particles coated on the surface of catalyst carrier particles. In this process, nanosized catalyst particles and catalyst carriers are mechanically mixed in a high velocity and impact force environment to which catalyst particles are embedded, or filmed, on the surface of catalyst carrier particles without using water or any other additional chemicals. The catalyst composite structure produced comprises better coating uniformity of the catalyst particle on its catalyst carrier. The catalyst particle/catalyst carrier composite produced can be applied to a support structure, such as a monolith as readily used in automotive or other applications.

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