Patent · US Expired

Olefin isomerization using an extruded alumina paste supporting a platinum group metal catalyst

US4209655A · kind A · utility

3Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 16, 1979
Grant dateJun 24, 1980
Priority date
Expiry dateMay 16, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2523/42
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

Isomerizable hydrocarbons including paraffins, cycloparaffins, olefins and alkyl aromatics are isomerized by contacting the hydrocarbon at isomerization conditions with a catalytic composite comprising a platinum group metal on an alpha-alumina monohydrate support wherein said support is prepared by admixing an alpha-alumina monohydrate with an aqueous ammoniacal solution having a pH of at least about 7.5 to form a stable suspension and commingling said suspension with a salt of a strong acid to form an extrudable paste or dough. Upon extrusion, the extrudate is dried and calcined to form said alumina support.

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