Patents by Inventor Boris HESSE

Boris HESSE 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).

  • Publication number: 20200325404
    Abstract: The invention is a naphtha hydrotreating process, using at least three catalysts, comprising: a first step a) in the presence of the first catalyst comprising a support; a second step b) in the presence of the second catalyst comprising a support and an active phase, said active phase containing a Group 9 or 10 metal and a Group 6 metal; a third step c) in the presence of the third catalyst comprising a support and an active phase, said active phase containing a Group 6 metal; the content of Group 6 metal of the third catalyst is less than the content of Group 6 metal of said second catalyst; the ratio of the “loaded specific surface area” of said first catalyst to that of said second catalyst is greater than or equal to 1.20; the ratio of the “loaded specific surface area” of said third catalyst to that of said second catalyst is greater than 1.07.
    Type: Application
    Filed: April 10, 2020
    Publication date: October 15, 2020
    Applicant: AXENS
    Inventors: Geoffrey DUBIN, Annick PUCCI, Boris HESSE