Patents by Inventor Aimery De Mallman

Aimery De Mallman 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).

  • Solid oxidation catalysts, in particular for epoxidation of prochiral compounds
    Patent number: 6642170
    Abstract: The invention concerns recyclable solid oxidation catalysts comprising a metal compound of a pentavalent or hexavalent metal M and selected among the group consisting of tantalum, vanadium, niobium, chromium, molybdenum, tungsten, grafted at the surface of a solid oxide with at least one, preferably one, covalent bond between an oxygen atom of the solid oxide and the metal M atom, the grafted metal compound having at least two alkoxy groups bound to the metal by the oxygen atom. Preferably, at least 2 alkoxy groups bound to the metal M belong to a polyol unit, preferably diol. The invention also concerns oxidation methods, in particular epoxidation methods using same.
    Type: Grant
    Filed: March 6, 2001
    Date of Patent: November 4, 2003
    Assignee: Centre National de la Recherche Scientifique (C.N.R.S.)
    Inventors: Damien Meunier, Arnaud Piechaczyk, Aimery De Mallman, Jean-Marie Basset