Patents by Inventor Philippe Kerleau

Philippe Kerleau 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).

  • Patent number: 8772191
    Abstract: The invention provides a process for the off site regeneration of a solid catalyst, comprising two consecutive steps: a first step of washing the catalyst using one or more fluid(s) in the supercritical state, so as to extract from the catalyst at least a portion of the hydrocarbons present at the surface of the latter, followed by a second step of combustion of at least a portion of the coke present at the surface of the said catalyst by a heat treatment of the latter in the presence of oxygen and at a temperature ranging from 300° C. to 600° C.
    Type: Grant
    Filed: January 6, 2012
    Date of Patent: July 8, 2014
    Assignee: Eurecat S.A.
    Inventors: Philippe Kerleau, Pierre Dufresne
  • Publication number: 20120231947
    Abstract: The invention provides a process for the off site regeneration of a solid catalyst, comprising two consecutive steps: a first step of washing the catalyst using one or more fluid(s) in the supercritical state, so as to extract from the catalyst at least a portion of the hydrocarbons present at the surface of the latter, followed by a second step of combustion of at least a portion of the coke present at the surface of the said catalyst by a heat treatment of the latter in the presence of oxygen and at a temperature ranging from 300° C. to 600° C.
    Type: Application
    Filed: January 6, 2012
    Publication date: September 13, 2012
    Applicant: Eurecat S.A.
    Inventors: Philippe Kerleau, Pierre Dufresne