Patents Assigned to Universal Matthey Products S.A.
  • Process and apparatus for desalting crude petroleum
    Patent number: 4200550
    Abstract: A process for desalting crude petroleum comprises breaking down a stable emulsion of water and crude petroleum when formed in a desalter, by injecting a demulsifying agent, such as di-2-ethyl hexyl sulphosuccinate, into the desalter at a predetermined level, when the sample taken at this level contain a predetermined content of stable emulsion.An apparatus for carrying out this process continuously is also included.
    Type: Grant
    Filed: April 19, 1978
    Date of Patent: April 29, 1980
    Assignees: Compagnie Francaise de Raffinage, Universal Matthey Products S.A.
    Inventors: Claude Scherrer, Claude Baumann, Herbert Wiegandt, John-Russel Richmond, Bernard Siffert, Claudine Bourgeois