Patents Represented by Attorney, Agent or Law Firm Susan E. Johnston
  • Vapor phase carbonylation process using iridium-gold co-catalysts
    Patent number: 6441222
    Abstract: Disclosed herein is a vapor phase carbonylation process useful for producing carboxylic acids, esters and mixtures thereof from lower aliphatic alcohols, ethers, ester, and ester-alcohol mixtures. The vapor phase carbonylation process is characterized in that it utilizes a solid supported catalyst having an effective amount of iridium and gold associated with a solid support material.
    Type: Grant
    Filed: May 22, 2000
    Date of Patent: August 27, 2002
    Assignee: Eastman Chemical Company
    Inventors: Joseph Robert Zoeller, Andy Hugh Singleton, Gerald Charles Tustin, Donald Lee Carver