Patents by Inventor Andre Pepy

Andre Pepy 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).

  • Patent number: 6355150
    Abstract: An analyzer for continuously measuring the H2S content of a gas stream which utilizes a drying module for drying the gas, a compressor for compressing the gas, a means for diluting the compressed sample and an electrical chemical sensor. The invention is also a device for regulating the flow rate of air to a H2S oxidation system which utilizes the analyzer to control the ratio of air to H2S stream entering the process.
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: March 12, 2002
    Assignee: Elf Exploration Production
    Inventors: Sabine Savin-Poncet, Andre Pepy, Pierre Becourt
  • Patent number: 5030438
    Abstract: The invention is a catalytic process for removing H.sub.2 S and hydrogen polysulfides from liquid sulfur. The process comprises mixing a heterocyclic compound with the liquid sulfur and removing the hydrogen sulfide from the liquid sulfur by contact with a gas which is inert to the liquid sulfur at the treating temperature.
    Type: Grant
    Filed: March 14, 1989
    Date of Patent: July 9, 1991
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Robert Voirin, Andre Pepy
  • Patent number: 4849204
    Abstract: The invention is a catalytic process for removing H.sub.2 S and hydrogen polysulfides from liquid sulfur. The process comprises mixing a heterocyclic compound with the liquid sulfur and removing the hydrogen sulfide from the liquid sulfur by contact with a gas which is inert to the liquid sulfur at the treating temperature.
    Type: Grant
    Filed: March 9, 1988
    Date of Patent: July 18, 1989
    Assignee: Societe Nationale Elf Aquitaine (Production)
    Inventors: Robert Voirin, Andre Pepy