Patent · US Expired

Toluene disproportionation catalyst

US5173461A · kind A · utility

70Cited by
10References
24Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 21, 1990
Grant dateDec 22, 1992
Priority date
Expiry dateMar 21, 2010

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2529/40
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A catalyst comprising a molecular sieve having a lattice aluminum content in which the silica/alumina framework mole ratio is less than 55, and having a diffusion rate constant of less than about 150 sec.sup.-1 .times.10.sup.-6 is particularly useful for vapor-phase disproportionation of toluene.

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