Patent · US Expired

Catalyst carrier

US5266548A · kind A · utility

41Cited by
14References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1992
Grant dateNov 30, 1993
Priority date
Expiry dateAug 31, 2012

Classification

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

Abstract

Porous carrier materials comprising at least 90% by weight of at least 95% pure alpha alumina are very effective as supports for catalysts treating engine exhausts and are significantly better able to withstand extreme conditions than conventional supports.

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