Patents by Inventor Fran.cedilla.oise Ergan

Fran.cedilla.oise Ergan 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).

  • Resolution of (RS)-ibuprofen by Candida antarctica catalyzed esterification with long chain alcohols while removing water
    Patent number: 5561057
    Abstract: The invention disclosed relates to a process for the enzymatic esterification and transesterification of racemic carboxylic acids and alcohols in which the reaction products predominantly include the ester of the more reactive acid or alcohol enantiomer and the less reactive acid or alcohol enantiomer, wherein the reactions are effected, preferably in a solventless medium, and the by-product water or short-chain alcohol is removed as it is formed.
    Type: Grant
    Filed: September 20, 1994
    Date of Patent: October 1, 1996
    Assignee: National Research Council of Canada
    Inventors: Michael Trani, Fran.cedilla.oise Ergan, Robert Lortie