Patents by Inventor Gisele Coudurier

Gisele Coudurier 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).

  • Process for the synthesis of zeolites of the ferrisilicate type, products so obtained
    Patent number: 5013537
    Abstract: The invention relates to a novel process for the synthesis of zeolites of the ferrisilicate type called ferrizeosilites, to the products obtained by this process as well as their uses. Ferrizeosilite according to the invention is characterized by (a) a chemical formula close to the following:M.sub.2/n O, Fe.sub.2 O.sub.3, x SiO.sub.2whereM represents a proton and/or a metal cationn is the valence of said cationx is a number between 40 and 1000(b) an x-ray diffraction diagram, and (c) a fluorine content between about 0.01% and 16% by weight. Uses are in processes for the conversion of methanol into hydrocarbons, alkylation of toluene with methanol and catalytic cracking of hydrocarbons.
    Type: Grant
    Filed: November 17, 1989
    Date of Patent: May 7, 1991
    Assignee: Institut Francais du Petrole
    Inventors: Joel Patarin, Jean-Louis Guth, Henri Kessler, Gisele Coudurier, Francis Raatz