Patents by Inventor Christophe Didion

Christophe Didion 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 immixtures of stereoisomeric alcohols
    Patent number: 5714642
    Abstract: Immixture of stereoisomeric alcohols is resolved by selectively enzymatically acylating one of the stereoisomers thereof, in the presence of a catalytically effective amount of a hydrolase, for example a lipase, esterase or acylase, in a biphasic hydroorganic reaction medium, and thence separating the alcohol stereoisomer from the ester stereoisomer thus formed.
    Type: Grant
    Filed: September 5, 1995
    Date of Patent: February 3, 1998
    Assignee: Rhone-Poulenc Chimie
    Inventors: Christophe Didion, Dominique Petre