Patents by Inventor Jean-Marc LeClercq

Jean-Marc LeClercq 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).

  • Intermetallic ruthenium tin-catalyst for use in aldehyde synthesis
    Patent number: 5973210
    Abstract: The present invention relates to a composition which can be used as reduction catalyst.This composition is characterized in that it comprises a support whose constituent material comprises at least one oxide chosen from oxides which are inert or capable of being made inert relative to the reaction mixture and a phase at least partially covering the said support, of which at least part comprises an intermetallic ruthenium-tin compound of composition Ru.sub.3 Sn.sub.7. The invention also describes the use of the reduction catalyst and its application to organic synthesis.
    Type: Grant
    Filed: July 31, 1997
    Date of Patent: October 26, 1999
    Assignee: Rhone-Poulenc Chimie
    Inventors: Roland Jacquot, Jean-Marc LeClercq, Claude Mercier, Jean-Michel Popa