Patents by Inventor Jean-Christophe Dolignier

Jean-Christophe Dolignier 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).

  • Incineration fumes processing plant with internal recycling
    Patent number: 6165421
    Abstract: An incinerator fumes processing plant has a first reactor (1) with fumes and injected absorbent flowing longitudinally through it. The flow from the first reactor enters a second reactor tangentially. The second reactor (2) is constructed so that the flow is driven by a rotating motion so as to separate progressively, and by centrifugal effect, the solid particles from the gases. The second reactor includes means (2a, 2b) for recirculating in the plant part of the solid particles separated in the second reactor. The dedusted fumes are then discharged from the plant.
    Type: Grant
    Filed: January 9, 1998
    Date of Patent: December 26, 2000
    Assignee: Institut Francais du Petrole
    Inventors: Gerard Martin, Jean-Christophe Dolignier, Patrick Flament
  • Regeneration process and plant for absorbents used for processing combustion products in thermal boilers
    Patent number: 5730781
    Abstract: According to the invention, regeneration is performed by filtering and by regenerating simultaneously the used absorbent; two stages are carried out for the regeneration: one, which is a rough stage, is performed in the presence of a regeneration gas; the other, a free stage, is performed in the presence of a fresh regeneration gas.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: March 24, 1998
    Assignee: Institut Francais du Petrole
    Inventors: Gerard Martin, Luc Nougier, Jean-Christophe Dolignier