Tin promoted iridium catalyst for carbonylation of lower alkyl alcohols

US6548444B2 · kind B2 · utility

Assignee

• Eastman Chemical Company · US

Inventors

• Joseph Robert Zoeller · Kingsport, US
• Andy Hugh Singleton · Kingsport, US
• Gerald Charles Tustin · Kingsport, US
• Donald Lee Carver · Church Hill, US

Key dates

• Filing date: Jun 20, 2001
• Grant date: Apr 15, 2003
• Expiry date: Jun 20, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J27/13
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A carbonylation catalyst useful for producing esters and carboxylic acids from reactants including lower alkyl alcohols, lower alkyl alcohol generating compounds, such as ether and ester derivatives of the alcohols, and mixtures thereof in a vapor phase carbonylation process. The catalyst includes a solid component having a catalytically effective amount of iridium and tin which are associated with a solid catalyst support material and a vaporous halide component.