Patent · US Expired

Process for the preparation of catalysts

US5112784A · kind A · utility

10Cited by
4References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 1990
Grant dateMay 12, 1992
Priority date
Expiry dateSep 24, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C41/03
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A process for the preparation of a catalytically active material, which comprises calcining an anionic double hydroxide clay; rehydrating the resulting material by treatment with water substantially free from dissolved ions; and calcining the rehydrated material.

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