Patents by Inventor Serge Jeanin

Serge Jeanin 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 an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic
    Patent number: 6214225
    Abstract: Provided is a process for the preparation of an ultrapure hydrogen peroxide solution. The process comprises at least one sequence which includes successively passing a solution to be purified through at least two beds of cation-exchange adsorbents (CEA) and two beds of anion-exchange adsorbents (AEA) according to the sequence: AEA→CEA→AEA→CEA Also provided is a plant for the implementation of the inventive process.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: April 10, 2001
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Henry Ledon, Martine Carre, Didier DeMay, Christine DeVos, Serge Jeanin
  • Process for the preparation of an ultra pure hydrogen peroxide solution by the ion exchange by sequence: anionic-cationic-anionic-cationic
    Patent number: 5961947
    Abstract: Provided is a process for the preparation of an ultrapure hydrogen peroxide solution. The process comprises at least one sequence which includes successively passing a solution to be purified through at least two beds of cation-exchange adsorbents (CEA) and two beds of anion-exchange adsorbents (AEA) according to the sequence:AEA .fwdarw. CEA .fwdarw. AEA .fwdarw. CEAAlso provided is a plant for the implementation of the inventive process.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: October 5, 1999
    Assignee: L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
    Inventors: Henry Ledon, Martine Carre, Didier Demay, Christine Devos, Serge Jeanin