Patents by Inventor Hubert Nussbaum

Hubert Nussbaum 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).

  • Alumina extrudates, methods for preparing and use as catalysts supports
    Patent number: 6656875
    Abstract: The present invention concerns alumina extrudates with characteristics, in particular porosity, which are adapted for their use as catalyst supports or catalysts, in particular for hydrotreating petroleum cuts. It also concerns processes for forming the alumina to achieve the properties of the extrudates of the invention.
    Type: Grant
    Filed: February 18, 2000
    Date of Patent: December 2, 2003
    Assignee: Institut Francais du Petrole
    Inventors: Jean-Luc Le Loarer, Hubert Nussbaum, Denis Bortzmeyer