Patents by Inventor Nicole G. Wallace

Nicole G. Wallace 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).

  • Process for purifying acids formed during liquid phase oxidation of butane
    Patent number: 5516406
    Abstract: A method of purifying the oxidate product formed by the liquid phase oxidation of C.sub.4 -C.sub.8 paraffinic hydrocarbons comprises adding a strong acid catalyst to the oxidate product to catalyze the break down of Michael addition products of unsaturated carbonyls and carboxylic acids so that the carbonyls can be distilled off during the initial stages of purification.
    Type: Grant
    Filed: December 15, 1994
    Date of Patent: May 14, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: Nicole G. Wallace, Kenneth A. Windhorst