Patents by Inventor Lucien Leclercq

Lucien 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).

  • Catalytic reforming process employing reforming catalysts which are based on tungsten and molybdenum carbides
    Patent number: 4522708
    Abstract: The present invention relates to catalysts for reforming petroleum products in mass form or supported for example, on aluminium or active carbon, the active part of which consists of tungsten and molybdenum carbides corresponding to the general formula:(Mox W.sub.1-x)y Czwherein0<x<11.ltoreq.y.ltoreq.20.8.ltoreq.z.ltoreq.1Nitridation prior to their use in a mixture H.sub.2 +N.sub.2 substantially increases the activity and selectivity thereof.These catalysts are not very sensitive to contamination by sulphur products.
    Type: Grant
    Filed: March 15, 1984
    Date of Patent: June 11, 1985
    Assignee: Eruotungstene-Poudres
    Inventors: Lucien Leclercq, Marcelle Provost