Patents by Inventor Cindy Elyse Sullivan

Cindy Elyse Sullivan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Carbonylation via solid acid catalysis
    Patent number: 5679867
    Abstract: The present invention is directed to a process for the carbonylation of an arylene to an arylaldehyde (e.g., toluene to tolualdehyde) in the presence of a solid acid catalyst. The process for making tolualdehyde comprises carbonylating toluene in the presence of either carbon monoxide or a source of carbon monoxide and in contact with a solid acid catalyst. The reaction is carried out at a temperature ranging from -40.degree. to 200.degree. C., and at a pressure ranging from 20-4000 psig.
    Type: Grant
    Filed: March 1, 1996
    Date of Patent: October 21, 1997
    Assignee: Hoechst Celanese Corporation
    Inventors: David Alan Bruce, Mario L. Occelli, David Anthony Schiraldi, Dhiraj Sudesh Sood, Cindy Elyse Sullivan, Mark Gilmore White