Patent · US Expired

Catalyst carrier

US5100859A · kind A · utility

70Cited by
3References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 1991
Grant dateMar 31, 1992
Priority date
Expiry dateJan 22, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/52
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

The invention relates to catalyst carries for use in conjunction with silver, alkali metal promoters, rhenium promoters and optionally rhenium co-promoters selected from sulfur, molybdenum, tungsten, chromium and mixtures thereof. The carriers consisting of at least 85 and preferably 95 percent by weight of alpha alumina, from about 0.01 to about 6 percent by weight of an alkaline earth metal silicate and from about zero to about 10 percent by weight (measured as the dioxide of added zirconium in the form of an oxide.

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