Patents by Inventor André Laporterie

André Laporterie 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).

  • Aromatic compound acylation method
    Patent number: 6184418
    Abstract: A method for acylating an aromatic compound, specifically an activated or deactivated aromatic compound, is disclosed. The method is suitable for preparing aromatic ketones. The preparation of a catalyst and novel bismuth compounds is also disclosed. Said aromatic compound acylation method comprises reacting said aromatic compound with an acylating agent in the presence of a catalyst, and is characterised in that the acylation reaction is performed in the presence of an effective amount of at least one bismuth salt of trifluoromethanesulphonic acid.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: February 6, 2001
    Assignee: Rhodia Chimie
    Inventors: Jacques Dubac, Hafida Gaspard, Mireille Labrouillere, André Laporterie, Jean-Roger Desmurs, Christophe Le Roux