Patents by Inventor Pierre Sanchez

Pierre Sanchez 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).

  • Two-stage concentration for superphosphoric acid
    Patent number: 4551319
    Abstract: A process for the concentration of phosphoric acid by evaporation under vacuum in two stages to produce superphosphoric acid, the pressure inside the exchanger is kept equal to or greater than 0.35 bar higher than that in the evaporator vessel.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: November 5, 1985
    Assignee: CdF Chimie Azote et Fertilisants, S.A.
    Inventors: Pierre Sanchez, Pierre Laudat
  • Platform for utilization of the thermal energy of the sea
    Patent number: 4350014
    Abstract: The invention relates to a platform for utilization of the thermal energy of the sea, comprising a floating structure carrying a downwardly extending tube (2) for taking up cold water and supporting at least two power modules (3) each comprising an evaporator (15) and a condensor (12) and pumps for circulation of hot and cold water, each power module being connected to a turbine-driven generator set (19,19').According to the invention, the support structure has open cells receiving the power modules and each module has its component parts arranged in a vertical array so as to constitute a cylindrical assembly extending through the support structure.Preferred applications: offshore manufacture of aluminium, ammonia and hydrogen.
    Type: Grant
    Filed: November 26, 1979
    Date of Patent: September 21, 1982
    Assignee: Societe Anonyme dite: Sea Tank Co.
    Inventors: Pierre Sanchez, Andre Vitalis