Patents by Inventor Frederic Fournet

Frederic Fournet 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).

  • Method for preparing p-hydroxymandelic compounds optionally substituted
    Patent number: 6753441
    Abstract: The invention concerns a method for preparing p-hydroxymandelic compounds optionally substituted and their derivatives. More particularly, it concerns a method for preparing p-hydroxymandelic acid and methoxy-3 p-hydroxymandelic acid and their derivatives. The invention concerns a method for preparing p-hydroxymandelic compounds optionally substituted and their derivatives, which consists in condensing in water, in the presence of an alkaline agent, an aromatic compound bearing at least a hydroxyl group and whereof the position in para is free, with glyoxylic acid, said method being characterised in that the reaction is carried out in the presence of an efficient amount of a compound bearing at least two carboxylic functions.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: June 22, 2004
    Assignee: Rhodia Chimie
    Inventors: Isabelle Jouve, Frederic Fournet, Jean Fragnon
  • Liquid vanillin compositions
    Patent number: 5895657
    Abstract: Liquid vanillin compositions, well suited as flavoring/perfuming agents for a wide variety of applications, for example in human and animal foodstuffs, cosmetics and perfumes, comprise (a) vanillin, (b) ethylvanillin and (c) an aqueous and/or organic solvent therefor.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: April 20, 1999
    Assignee: Rhone-Poulenc Chimie
    Inventors: Frederic Fournet, Fran.cedilla.oise Truchet