Antimony Compounds (9/90; 9/90b; 9/90c; 9/90d; 9/90e) Patents (Class 987/24)
Contains aryl group (9/92) (Class 987/25)
  • Process for the oxidation of cyclohexanone to &egr;-caprolactone
    Patent number: 6531615
    Abstract: This invention relates to a composition comprising antimony trifluoride and silica, a method for the preparation of said composition and use of said composition as a catalyst in a process for the oxidation of cyclohexanone to &egr;-caprolactone.
    Type: Grant
    Filed: January 30, 2001
    Date of Patent: March 11, 2003
    Assignee: Solvay (Societe Anonyme)
    Inventors: Michael C. Rocca, Graham Carr, Arnold B. Lambert, Duncan J. MacQuarrie, James H. Clark