Patent · US Expired

Paraffinic hydrocarbon isomerization process

US4179581A · kind A · utility

5Cited by
3References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 1978
Grant dateDec 18, 1979
Priority date
Expiry dateJun 30, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P20/582
  • 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.