Patents by Inventor Olivier Riu

Olivier Riu 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 of treating a gas mixture comprising propane and propylene
    Patent number: 7497896
    Abstract: Methods for treating a gas mixture of at least propylene and propane, in order to separate the propylene from the propane. The gas mixture is brought into contact with a membrane enables the selective permeation of the propylene with respect to the propane. A propylene-enriched permeate and a propane-enriched retentate is formed. The propylene concentration of the permeate in the membrane is then reduced with a sweeping gas.
    Type: Grant
    Filed: April 7, 2004
    Date of Patent: March 3, 2009
    Assignee: L'Air Liquide, Societe Anonyme a Directoire et Conseil de Surveillance pour l'Etude et l'Exploitation des Procedes George Claude
    Inventors: Emmanuelle Bromet, Guillaume De Souza, Olivier Riu
  • Method of treating a gas mixture comprising propane and propylene
    Publication number: 20060266213
    Abstract: Methods for treating a gas mixture of at least propylene and propane, in order to separate the propylene from the propane. The gas mixture is brought into contact with a membrane enables the selective permeation of the propylene with respect to the propane. A propylene-enriched permeate and a propane-enriched retentate is formed. The propylene concentration of the permeate in the membrane is then reduced with a sweeping gas.
    Type: Application
    Filed: April 7, 2004
    Publication date: November 30, 2006
    Applicant: L'Air Liquide Societe Anonyme a Directoire Et Cons
    Inventors: Olivier Riu, Emmanuelle Bromet, Guillaume Souza