Patent · US Expired

High activity catalysts

US6200927A · kind A · utility

30Cited by
5References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 4, 1999
Grant dateMar 13, 2001
Priority date
Expiry dateNov 4, 2019

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB01J35/69
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Provided are high activity catalysts based upon gamma alumina containing substrates impregnated with one or more catalytically active metals, which catalysts in addition contain a nanocrystalline phase of alumina of a crystalline size at the surface of less than 25 .ANG.. Also provided are processes for preparing such high activity catalysts and various uses thereof.

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