Patents by Inventor Brice Le Corre

Brice Le Corre 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 preparation of cumene hydroperoxide
    Patent number: 6043399
    Abstract: The present invention lies in the field of the manufacture of phenol from cumene. The subject of the invention is a process for the continuous preparation of cumene hydroperoxide by oxidation, in the liquid phase, of cumene in the presence of oxygen. The process according to the invention is carried out in the presence of at least one agent chosen from the hydroxide or the carbonate of an alkali metal and/or alkaline-earth metal; the said agent being used in an amount of between 2 and 10 ppb (expressed as sodium hydroxide) with respect to the amount of cumene introduced. The invention likewise relates to the use of the hydroperoxide thus obtained for preparing phenol.
    Type: Grant
    Filed: February 12, 1999
    Date of Patent: March 28, 2000
    Assignee: Rhodia Chimie
    Inventors: Joao Amadio, Brice Le Corre, Jean-Jacques Charrin, Xavier Houzard, Philippe Laurent, Roland Noyerie, Yves-Michel Quenton